A Certificate of Analysis (COA) is a written document issued by a manufacturer or an independent third-party testing institution to certify that the quality specifications of goods comply with contract or standard requirements. Its core functions are: to serve as evidence of the seller's fulfillment of delivery quality obligations, to provide the buyer with a basis for acceptance, and to serve as an important document in customs, commodity inspection, bank settlement, and dispute resolution. A COA usually lists the product name, batch number, test items, test methods, specification limits, and actual test results, and is accompanied by the signature and seal of the issuer. In international trade, a COA is both a quality guarantee and key evidence in quality disputes, and is indispensable especially in industries such as chemicals, food, pharmaceuticals, and minerals.
A Certificate of Analysis (COA) is a written document issued by a manufacturer or an independent third-party testing institution to certify that the quality specifications of goods comply with contract or standard requirements. Its core functions are: to serve as evidence of the seller's fulfillment of delivery quality obligations, to provide the buyer with a basis for acceptance, and to serve as an important document in customs, commodity inspection, bank settlement, and dispute resolution. A COA usually lists the product name, batch number, test items, test methods, specification limits, and actual test results, and is accompanied by the signature and seal of the issuer. In international trade, a COA is both a quality guarantee and key evidence in quality disputes, and is indispensable especially in industries such as chemicals, food, pharmaceuticals, and minerals.
🎯 Purpose
The purposes of a Certificate of Analysis are: first, to prove that the quality of the goods complies with the contract or international/national standards, thereby protecting the buyer's rights and interests; second, to serve as one of the documents for settlement under a letter of credit, based on which the bank examines document compliance; third, to be provided for inspection by the importing country's customs and commodity inspection authorities to ensure the goods are safe and compliant; fourth, to serve as the basis for claims or arbitration in quality disputes. The parties that need a COA include: exporters, importers, issuing banks under letters of credit, customs, commodity inspection agencies, and end users. The stages of use include: factory inspection after production is completed, pre-shipment inspection, customs declaration and inspection, bank negotiation, customs clearance at the destination port, and acceptance by the consignee.
The purposes of a Certificate of Analysis are: first, to prove that the quality of the goods complies with the contract or international/national standards, thereby protecting the buyer's rights and interests; second, to serve as one of the documents for settlement under a letter of credit, based on which the bank examines document compliance; third, to be provided for inspection by the importing country's customs and commodity inspection authorities to ensure the goods are safe and compliant; fourth, to serve as the basis for claims or arbitration in quality disputes. The parties that need a COA include: exporters, importers, issuing banks under letters of credit, customs, commodity inspection agencies, and end users. The stages of use include: factory inspection after production is completed, pre-shipment inspection, customs declaration and inspection, bank negotiation, customs clearance at the destination port, and acceptance by the consignee.
📋 Key Fields
Certificate No.: A unique identification number compiled by the issuing institution, usually including the year, batch, or serial number. It should be linked to document numbers such as the invoice and packing list for traceability.. 常见错误: Duplicate or missing numbers; inconsistency with other document numbers, making correspondence impossible. Date of Issue: The actual date on which the certificate is issued, which should be earlier than or equal to the shipment date. If the letter of credit requires pre-shipment inspection, the date must be before the shipment date.. 常见错误: The date is later than the bill of lading date; the date format does not conform to the importing country's conventions (such as confusion between month/day/year). Product Name: Fill in the generic name and trade name of the goods, which should be strictly consistent with the contract, invoice, and bill of lading. If necessary, indicate the brand, model, and grade.. 常见错误: Use of internal codes or abbreviations; mismatch between Chinese and English names; inconsistency with the letter of credit description. Batch No./Date of Manufacture: Indicate the product's production batch number and production date for quality traceability. The batch number should be consistent with the actual packaging marks on the goods.. 常见错误: Incorrect or omitted batch number; logical contradiction between the production date and shelf life. Test Items: List the specific indicators tested, such as purity, moisture, heavy metals, microorganisms, etc. The items should cover the key indicators required by the contract or standard.. 常见错误: Incomplete test items, omission of key indicators; item names inconsistent with standard terminology. Test Method: Indicate the standard method used for each test item, such as ISO, ASTM, GB, etc. The method should be currently valid and consistent with the contract.. 常见错误: Citation of obsolete methods; failure to indicate the method number; methods not aligned with international standards. Specification Limits: Provide the acceptable range specified by the contract or standard, such as minimum value, maximum value, or range. The limits should be clear and unambiguous.. 常见错误: Limits inconsistent with the contract; use of vague expressions such as "approximately" or "around." Test Results: Fill in the actual tested values or conclusions, which should be consistent with the original records of the test report. The results must be within the specification limits to be qualified.. 常见错误: Results exceed the limits but are still judged as qualified; incorrect data units; alterations without signature or seal. Conclusion: Clearly determine whether the goods are qualified, such as "Qualified" or "Complies with contract requirements." The conclusion should be based on all test items meeting the standards.. 常见错误: Ambiguous conclusion; failure to cover all items; contradiction with the actual test results. Issuing Authority: Fill in the full name of the institution issuing the certificate, such as the manufacturer's quality inspection department or a third-party testing company. It should have the corresponding qualifications and, if necessary, include accreditation marks.. 常见错误: The institution name does not match the seal; use of an unqualified institution; failure to indicate address and contact information. Signature and Seal: Hand-signed by an authorized signatory and stamped with the institution's official seal or inspection seal. The signatory's name and position should be clearly legible.. 常见错误: Only a seal without a signature; the signatory is not authorized; the seal is blurred and illegible. Quantity/Weight: Indicate the quantity or weight of the goods covered by this certificate, which should be consistent with the invoice and packing list. If sampling inspection is used, the sampling ratio must be stated.. 常见错误: Quantity inconsistent with other documents; failure to indicate sampling representativeness; inconsistent units. Contract/L/C No.: Fill in the relevant contract or letter of credit number for verification by the bank and importer. If required by the letter of credit, it must be shown.. 常见错误: Incorrect or omitted number; inconsistency with the format required by the letter of credit. Standard Applied: List the quality standards on which the product is based, such as national standards, industry standards, international standards, or enterprise standards. The standard name and number should be indicated.. 常见错误: Incorrect standard number; use of expired standards; failure to indicate the standard version. Remarks: Fill in special statements, such as "Responsibility is limited to the sample submitted" or "This certificate is invalid if altered." Remarks must not conflict with the main text.. 常见错误: Remarks contradict the test conclusion; omission of important statements; non-standard language.
Certificate No.
A unique identification number compiled by the issuing institution, usually including the year, batch, or serial number. It should be linked to document numbers such as the invoice and packing list for traceability.
⚠️ Duplicate or missing numbers; inconsistency with other document numbers, making correspondence impossible.
Date of Issue
The actual date on which the certificate is issued, which should be earlier than or equal to the shipment date. If the letter of credit requires pre-shipment inspection, the date must be before the shipment date.
⚠️ The date is later than the bill of lading date; the date format does not conform to the importing country's conventions (such as confusion between month/day/year).
Product Name
Fill in the generic name and trade name of the goods, which should be strictly consistent with the contract, invoice, and bill of lading. If necessary, indicate the brand, model, and grade.
⚠️ Use of internal codes or abbreviations; mismatch between Chinese and English names; inconsistency with the letter of credit description.
Batch No./Date of Manufacture
Indicate the product's production batch number and production date for quality traceability. The batch number should be consistent with the actual packaging marks on the goods.
⚠️ Incorrect or omitted batch number; logical contradiction between the production date and shelf life.
Test Items
List the specific indicators tested, such as purity, moisture, heavy metals, microorganisms, etc. The items should cover the key indicators required by the contract or standard.
⚠️ Incomplete test items, omission of key indicators; item names inconsistent with standard terminology.
Test Method
Indicate the standard method used for each test item, such as ISO, ASTM, GB, etc. The method should be currently valid and consistent with the contract.
⚠️ Citation of obsolete methods; failure to indicate the method number; methods not aligned with international standards.
Specification Limits
Provide the acceptable range specified by the contract or standard, such as minimum value, maximum value, or range. The limits should be clear and unambiguous.
⚠️ Limits inconsistent with the contract; use of vague expressions such as "approximately" or "around."
Test Results
Fill in the actual tested values or conclusions, which should be consistent with the original records of the test report. The results must be within the specification limits to be qualified.
⚠️ Results exceed the limits but are still judged as qualified; incorrect data units; alterations without signature or seal.
Conclusion
Clearly determine whether the goods are qualified, such as "Qualified" or "Complies with contract requirements." The conclusion should be based on all test items meeting the standards.
⚠️ Ambiguous conclusion; failure to cover all items; contradiction with the actual test results.
Issuing Authority
Fill in the full name of the institution issuing the certificate, such as the manufacturer's quality inspection department or a third-party testing company. It should have the corresponding qualifications and, if necessary, include accreditation marks.
⚠️ The institution name does not match the seal; use of an unqualified institution; failure to indicate address and contact information.
Signature and Seal
Hand-signed by an authorized signatory and stamped with the institution's official seal or inspection seal. The signatory's name and position should be clearly legible.
⚠️ Only a seal without a signature; the signatory is not authorized; the seal is blurred and illegible.
Quantity/Weight
Indicate the quantity or weight of the goods covered by this certificate, which should be consistent with the invoice and packing list. If sampling inspection is used, the sampling ratio must be stated.
⚠️ Quantity inconsistent with other documents; failure to indicate sampling representativeness; inconsistent units.
Contract/L/C No.
Fill in the relevant contract or letter of credit number for verification by the bank and importer. If required by the letter of credit, it must be shown.
⚠️ Incorrect or omitted number; inconsistency with the format required by the letter of credit.
Standard Applied
List the quality standards on which the product is based, such as national standards, industry standards, international standards, or enterprise standards. The standard name and number should be indicated.
⚠️ Incorrect standard number; use of expired standards; failure to indicate the standard version.
Remarks
Fill in special statements, such as "Responsibility is limited to the sample submitted" or "This certificate is invalid if altered." Remarks must not conflict with the main text.
⚠️ Remarks contradict the test conclusion; omission of important statements; non-standard language.
⚠️ Common Mistakes
Certificate information is inconsistent with commercial invoices, packing lists, bills of lading, and other documents, such as product name, quantity, batch number, etc., resulting in bank refusal or customs questioning. Test items do not cover all key indicators specified in the contract or letter of credit, or omit mandatory testing items required by the importing country, causing customs clearance obstruction. Test methods cite obsolete or non-internationally accepted standards, causing test results not to be recognized by the importing country and requiring retesting. Actual test results exceed specification limits but are still judged as qualified, or the conclusion is vaguely worded, triggering quality disputes and claims. The issuing institution lacks the corresponding qualifications, or signatures and seals are incomplete, or alterations are not countersigned, affecting the legal validity of the certificate. The certificate date is later than the shipment date, failing to meet the letter of credit's "pre-shipment inspection" requirement and constituting a discrepancy. Failure to indicate the sampling method or sampling ratio, causing the certificate's representativeness to be questioned and making it impossible to prove the quality of the entire batch of goods. Improper use of language, such as mixed Chinese and English or translation errors, causing misunderstanding by the importing country's customs or customers.
⚠️ Certificate information is inconsistent with commercial invoices, packing lists, bills of lading, and other documents, such as product name, quantity, batch number, etc., resulting in bank refusal or customs questioning.
⚠️ Test items do not cover all key indicators specified in the contract or letter of credit, or omit mandatory testing items required by the importing country, causing customs clearance obstruction.
⚠️ Test methods cite obsolete or non-internationally accepted standards, causing test results not to be recognized by the importing country and requiring retesting.
⚠️ Actual test results exceed specification limits but are still judged as qualified, or the conclusion is vaguely worded, triggering quality disputes and claims.
⚠️ The issuing institution lacks the corresponding qualifications, or signatures and seals are incomplete, or alterations are not countersigned, affecting the legal validity of the certificate.
⚠️ The certificate date is later than the shipment date, failing to meet the letter of credit's "pre-shipment inspection" requirement and constituting a discrepancy.
⚠️ Failure to indicate the sampling method or sampling ratio, causing the certificate's representativeness to be questioned and making it impossible to prove the quality of the entire batch of goods.
⚠️ Improper use of language, such as mixed Chinese and English or translation errors, causing misunderstanding by the importing country's customs or customers.
🌍 Country Requirements
United States: The United States has no unified mandatory format for COAs, but products regulated by the FDA (food, drugs, cosmetics, medical devices) must comply with relevant FDA regulations; for example, food must provide information such as nutrition facts and allergens. Customs may require a COA to prove that the goods comply with U.S. standards. If EPA, USDA, etc. are involved, additional declarations are required. It is recommended that the COA be issued by an ISO/IEC 17025-accredited laboratory. Specific requirements are subject to the latest announcements from U.S. Customs and the FDA. European Union: The EU requires that a COA accompany the goods, especially for food, feed, and chemicals. REACH regulations require an SVHC test report; products with the CE mark must comply with relevant directives. The COA must be issued by an EU-recognized body or the manufacturer, and the language should be the official language of the importing country or English. Some products require an additional health certificate. Specific requirements are subject to the latest announcements from EU customs and the competent authorities of member states. Japan: Japan requires a COA for imported food, agricultural products, chemicals, etc., and the test items must comply with Japan's Positive List System. For food, it must comply with the Food Sanitation Act, and some products require an additional radioactive substance test report. The COA should be issued by a Japanese-recognized institution or an official laboratory of the exporting country. Labels must comply with Japanese JAS standards. Specific requirements are subject to the latest announcements from Japan's Ministry of Health, Labour and Welfare and customs. South Korea: South Korea requires that the COA for imported goods comply with Korean standards (KS) or contractual agreements. For food, cosmetics, and drugs, it must comply with the regulations of the Ministry of Food and Drug Safety (MFDS), and some products require Korean labels. The COA must be issued by an accredited laboratory and may require an additional KOLAS accreditation mark. Specific requirements are subject to the latest announcements from the Korea Customs Service and MFDS. Middle East (Saudi Arabia/UAE): Saudi Arabia requires that the COA be recognized by the Saudi Standards, Metrology and Quality Organization (SASO), and some products require SABER certification. The UAE requires the COA to comply with ESMA standards. Both countries require the COA to be consistent with the invoice, certificate of origin, etc., and require Arabic translation or bilingual versions. Food and cosmetics must comply with Gulf standards. Specific requirements are subject to the latest announcements from SASO and ESMA. Brazil: Brazil requires that the COA comply with Brazilian national standards (ABNT) or contractual agreements. For food, drugs, and medical devices, it must comply with ANVISA regulations, and some products require Portuguese labels. The COA must be issued by an accredited laboratory and may require additional INMETRO certification. During import clearance, the COA must be consistent with other documents. Specific requirements are subject to the latest announcements from Brazilian customs and ANVISA. India: India requires that the COA comply with Indian standards (BIS) or contractual agreements. For food and chemicals, it must comply with FSSAI and BIS regulations, and some products require mandatory certification. The COA must be issued by an accredited laboratory of the exporting country and may require an additional BIS mark. During import clearance, the COA must be consistent with the invoice and packing list. Specific requirements are subject to the latest announcements from Indian customs and BIS. Russia: Russia requires that the COA comply with Russian national standards (GOST) or the technical regulations of the Customs Union. For food and cosmetics, it must comply with Rospotrebnadzor regulations, and some products require a sanitary certificate. The COA must be issued by an accredited laboratory and requires Russian translation or a bilingual version. During import clearance, the COA must be consistent with other documents. Specific requirements are subject to the latest announcements from Russian customs and the Eurasian Economic Union.
United States
The United States has no unified mandatory format for COAs, but products regulated by the FDA (food, drugs, cosmetics, medical devices) must comply with relevant FDA regulations; for example, food must provide information such as nutrition facts and allergens. Customs may require a COA to prove that the goods comply with U.S. standards. If EPA, USDA, etc. are involved, additional declarations are required. It is recommended that the COA be issued by an ISO/IEC 17025-accredited laboratory. Specific requirements are subject to the latest announcements from U.S. Customs and the FDA.
European Union
The EU requires that a COA accompany the goods, especially for food, feed, and chemicals. REACH regulations require an SVHC test report; products with the CE mark must comply with relevant directives. The COA must be issued by an EU-recognized body or the manufacturer, and the language should be the official language of the importing country or English. Some products require an additional health certificate. Specific requirements are subject to the latest announcements from EU customs and the competent authorities of member states.
Japan
Japan requires a COA for imported food, agricultural products, chemicals, etc., and the test items must comply with Japan's Positive List System. For food, it must comply with the Food Sanitation Act, and some products require an additional radioactive substance test report. The COA should be issued by a Japanese-recognized institution or an official laboratory of the exporting country. Labels must comply with Japanese JAS standards. Specific requirements are subject to the latest announcements from Japan's Ministry of Health, Labour and Welfare and customs.
South Korea
South Korea requires that the COA for imported goods comply with Korean standards (KS) or contractual agreements. For food, cosmetics, and drugs, it must comply with the regulations of the Ministry of Food and Drug Safety (MFDS), and some products require Korean labels. The COA must be issued by an accredited laboratory and may require an additional KOLAS accreditation mark. Specific requirements are subject to the latest announcements from the Korea Customs Service and MFDS.
Middle East (Saudi Arabia/UAE)
Saudi Arabia requires that the COA be recognized by the Saudi Standards, Metrology and Quality Organization (SASO), and some products require SABER certification. The UAE requires the COA to comply with ESMA standards. Both countries require the COA to be consistent with the invoice, certificate of origin, etc., and require Arabic translation or bilingual versions. Food and cosmetics must comply with Gulf standards. Specific requirements are subject to the latest announcements from SASO and ESMA.
Brazil
Brazil requires that the COA comply with Brazilian national standards (ABNT) or contractual agreements. For food, drugs, and medical devices, it must comply with ANVISA regulations, and some products require Portuguese labels. The COA must be issued by an accredited laboratory and may require additional INMETRO certification. During import clearance, the COA must be consistent with other documents. Specific requirements are subject to the latest announcements from Brazilian customs and ANVISA.
India
India requires that the COA comply with Indian standards (BIS) or contractual agreements. For food and chemicals, it must comply with FSSAI and BIS regulations, and some products require mandatory certification. The COA must be issued by an accredited laboratory of the exporting country and may require an additional BIS mark. During import clearance, the COA must be consistent with the invoice and packing list. Specific requirements are subject to the latest announcements from Indian customs and BIS.
Russia
Russia requires that the COA comply with Russian national standards (GOST) or the technical regulations of the Customs Union. For food and cosmetics, it must comply with Rospotrebnadzor regulations, and some products require a sanitary certificate. The COA must be issued by an accredited laboratory and requires Russian translation or a bilingual version. During import clearance, the COA must be consistent with other documents. Specific requirements are subject to the latest announcements from Russian customs and the Eurasian Economic Union.
❓ FAQ
What is the difference between a Certificate of Analysis and a quality inspection report?: A Certificate of Analysis (COA) is a quality certification document for a specific batch of goods, usually issued by the manufacturer or a third-party testing institution, listing test items, results, and conclusions, and used for settlement and customs clearance. A quality inspection report has a broader scope and may include factory audits, system certification, etc., and is not necessarily for a specific batch. A COA focuses more on conformity of goods quality and is a common document in international trade. Must a COA be issued by a third-party institution?: Not necessarily. If the letter of credit or contract does not explicitly require a third party, a COA issued by the manufacturer itself may also be acceptable. However, if the importing country's regulations or the letter of credit require issuance by an independent testing institution, this must be complied with. A third-party COA has higher credibility, but also higher cost and time. It is recommended to determine this according to the contract and letter of credit terms. How are the test items on a COA determined?: The test items should be determined based on the quality indicators agreed in the contract, the requirements of the letter of credit, and the mandatory standards of the importing country. They usually include key product performance indicators and safety and hygiene indicators (such as heavy metals, pesticide residues, microorganisms), etc. If the contract is not explicit, international standards or industry practices may be referenced. Be sure to ensure the items are complete to avoid customs clearance failure due to omission. What should be done if the COA date is later than the bill of lading date?: If the letter of credit requires pre-shipment inspection, a COA date later than the bill of lading date will constitute a discrepancy, and the bank may refuse payment. In this case, you should contact the customer to amend the letter of credit or communicate with the bank. For ordinary trade, it may be explained as post-shipment sampling testing, but it is best to avoid this. It is recommended to arrange testing in advance to ensure the COA date is earlier than or equal to the shipment date. Does a COA need to be translated into the importing country's language?: It depends on the importing country's requirements. The EU, the Middle East, and Russia usually require the COA to be in the official language of the importing country or English. Japan and South Korea may require Japanese or Korean. If uncertain, it is recommended to provide a Chinese-English or bilingual version and ensure the translation is accurate. Notarization or consular authentication may be required when necessary. What is the difference between a COA and an MSDS?: A COA (Certificate of Analysis) proves that the quality of the goods complies with specifications, focusing on test results and conclusions. An MSDS (Material Safety Data Sheet) provides the physicochemical properties, hazards, safe handling, and emergency measures of chemicals, focusing on safety information. The two have different uses, but chemical exports often require both. The MSDS must comply with the regulatory format of the importing country. Can a COA be altered?: In principle, a COA must not be altered. If correction is necessary, the alteration should be stamped with the issuing institution's correction seal or signed for confirmation, and the correction date should be noted. Excessive alterations may raise doubts about authenticity, and it is recommended to reissue the certificate. Banks and customs scrutinize altered documents strictly and may refuse payment or detain the goods. How can the authenticity of a COA be verified?: It can be verified in the following ways: 1. Contact the issuing institution to verify the certificate number and signatory; 2. Check whether the certificate paper, seal, and signature are clear and standard; 3. Check whether the test data are reasonable; 4. Query the list of accredited laboratories through the importing country's official authorities. If forgery is suspected, the exporter may be asked to provide original test records or retesting may be required.
Q: What is the difference between a Certificate of Analysis and a quality inspection report?
A: A Certificate of Analysis (COA) is a quality certification document for a specific batch of goods, usually issued by the manufacturer or a third-party testing institution, listing test items, results, and conclusions, and used for settlement and customs clearance. A quality inspection report has a broader scope and may include factory audits, system certification, etc., and is not necessarily for a specific batch. A COA focuses more on conformity of goods quality and is a common document in international trade.
Q: Must a COA be issued by a third-party institution?
A: Not necessarily. If the letter of credit or contract does not explicitly require a third party, a COA issued by the manufacturer itself may also be acceptable. However, if the importing country's regulations or the letter of credit require issuance by an independent testing institution, this must be complied with. A third-party COA has higher credibility, but also higher cost and time. It is recommended to determine this according to the contract and letter of credit terms.
Q: How are the test items on a COA determined?
A: The test items should be determined based on the quality indicators agreed in the contract, the requirements of the letter of credit, and the mandatory standards of the importing country. They usually include key product performance indicators and safety and hygiene indicators (such as heavy metals, pesticide residues, microorganisms), etc. If the contract is not explicit, international standards or industry practices may be referenced. Be sure to ensure the items are complete to avoid customs clearance failure due to omission.
Q: What should be done if the COA date is later than the bill of lading date?
A: If the letter of credit requires pre-shipment inspection, a COA date later than the bill of lading date will constitute a discrepancy, and the bank may refuse payment. In this case, you should contact the customer to amend the letter of credit or communicate with the bank. For ordinary trade, it may be explained as post-shipment sampling testing, but it is best to avoid this. It is recommended to arrange testing in advance to ensure the COA date is earlier than or equal to the shipment date.
Q: Does a COA need to be translated into the importing country's language?
A: It depends on the importing country's requirements. The EU, the Middle East, and Russia usually require the COA to be in the official language of the importing country or English. Japan and South Korea may require Japanese or Korean. If uncertain, it is recommended to provide a Chinese-English or bilingual version and ensure the translation is accurate. Notarization or consular authentication may be required when necessary.
Q: What is the difference between a COA and an MSDS?
A: A COA (Certificate of Analysis) proves that the quality of the goods complies with specifications, focusing on test results and conclusions. An MSDS (Material Safety Data Sheet) provides the physicochemical properties, hazards, safe handling, and emergency measures of chemicals, focusing on safety information. The two have different uses, but chemical exports often require both. The MSDS must comply with the regulatory format of the importing country.
Q: Can a COA be altered?
A: In principle, a COA must not be altered. If correction is necessary, the alteration should be stamped with the issuing institution's correction seal or signed for confirmation, and the correction date should be noted. Excessive alterations may raise doubts about authenticity, and it is recommended to reissue the certificate. Banks and customs scrutinize altered documents strictly and may refuse payment or detain the goods.
Q: How can the authenticity of a COA be verified?
A: It can be verified in the following ways: 1. Contact the issuing institution to verify the certificate number and signatory; 2. Check whether the certificate paper, seal, and signature are clear and standard; 3. Check whether the test data are reasonable; 4. Query the list of accredited laboratories through the importing country's official authorities. If forgery is suspected, the exporter may be asked to provide original test records or retesting may be required.
📝 Sample
[Certificate of Quality Analysis - Complete Filling Example]
Certificate No.: COA-2026-09-0873
Date of Issue: 2026-09-10
Product Name: Citric Acid Anhydrous, Industrial Grade, Brand: SUNPURE, Model: CA-100, Mesh 30-100
Batch No./Date of Manufacture: Batch No.: 26H0821; Date of Manufacture: 2026-08-21
Test Items: Assay, Moisture, Heavy Metals as Pb, Arsenic, Sulphated Ash, Chloride, Iron, Particle Size
Test Method: Assay: GB/T 8269-2023; Moisture: ISO 760:2023; Heavy Metals: ASTM E1613-12(2024); Arsenic: GB 5009.11-2024; Sulphated Ash: GB/T 9741-2023; Chloride: ISO 9297:2022; Iron: GB/T 3049-2023; Particle Size: ASTM E11-2024
Specification Limits: Assay ≥99.5%; Moisture ≤0.5%; Heavy Metals ≤5 ppm; Arsenic ≤1 ppm; Sulphated Ash ≤0.05%; Chloride ≤50 ppm; Iron ≤5 ppm; Particle Size 30-100 mesh ≥90%
Test Results: Assay 99.82%; Moisture 0.21%; Heavy Metals 2 ppm; Arsenic <0.5 ppm; Sulphated Ash 0.02%; Chloride 18 ppm; Iron 1.6 ppm; Particle Size 30-100 mesh 94.3%
Conclusion: Passed, complies with contract requirements and the above standard references.
Issuing Authority: SUNPURE BIOCHEMICAL CO., LTD. Quality Control Department, Address: No. 88 Xingye Road, Economic Development Zone, Qingdao, Shandong, China; CNAS Accreditation Mark: CNAS L12345
Signature and Seal: Authorized Signatory: Li Wei (Quality Control Manager); Sealed with SUNPURE BIOCHEMICAL CO., LTD. Quality Control Special Seal
Quantity/Weight: This certificate covers 25,000 kg (1,000 bags × 25 kg net), Sampling Ratio: per ISO 2859-1, General Inspection Level II, AQL 1.0
Contract/L/C No.: Contract No.: SP-2026-CN-0417; L/C No.: LC26AUS00981
Standard Applied: GB/T 8269-2023 "Citric Acid" and Contract Annex Technical Agreement SP-TA-2026-03; also complies with relevant specification requirements of BP 2023/USP-NF 2025
Remarks: This certificate is only responsible for the above batch number and sampled samples; any alteration or photocopy of this certificate is invalid; Country of Origin: China; Packaging: 25 kg kraft paper bags with PE liner; The manufacturer reserves the right of final interpretation.
The above is an example. Actual filling shall be subject to the L/C/contract/importing country requirements.
[Certificate of Quality Analysis - Complete Filling Example]
Certificate No.: COA-2026-09-0873
Date of Issue: 2026-09-10
Product Name: Citric Acid Anhydrous, Industrial Grade, Brand: SUNPURE, Model: CA-100, Mesh 30-100
Batch No./Date of Manufacture: Batch No.: 26H0821; Date of Manufacture: 2026-08-21
Test Items: Assay, Moisture, Heavy Metals as Pb, Arsenic, Sulphated Ash, Chloride, Iron, Particle Size
Test Method: Assay: GB/T 8269-2023; Moisture: ISO 760:2023; Heavy Metals: ASTM E1613-12(2024); Arsenic: GB 5009.11-2024; Sulphated Ash: GB/T 9741-2023; Chloride: ISO 9297:2022; Iron: GB/T 3049-2023; Particle Size: ASTM E11-2024
Specification Limits: Assay ≥99.5%; Moisture ≤0.5%; Heavy Metals ≤5 ppm; Arsenic ≤1 ppm; Sulphated Ash ≤0.05%; Chloride ≤50 ppm; Iron ≤5 ppm; Particle Size 30-100 mesh ≥90%
Test Results: Assay 99.82%; Moisture 0.21%; Heavy Metals 2 ppm; Arsenic <0.5 ppm; Sulphated Ash 0.02%; Chloride 18 ppm; Iron 1.6 ppm; Particle Size 30-100 mesh 94.3%
Conclusion: Passed, complies with contract requirements and the above standard references.
Issuing Authority: SUNPURE BIOCHEMICAL CO., LTD. Quality Control Department, Address: No. 88 Xingye Road, Economic Development Zone, Qingdao, Shandong, China; CNAS Accreditation Mark: CNAS L12345
Signature and Seal: Authorized Signatory: Li Wei (Quality Control Manager); Sealed with SUNPURE BIOCHEMICAL CO., LTD. Quality Control Special Seal
Quantity/Weight: This certificate covers 25,000 kg (1,000 bags × 25 kg net), Sampling Ratio: per ISO 2859-1, General Inspection Level II, AQL 1.0
Contract/L/C No.: Contract No.: SP-2026-CN-0417; L/C No.: LC26AUS00981
Standard Applied: GB/T 8269-2023 "Citric Acid" and Contract Annex Technical Agreement SP-TA-2026-03; also complies with relevant specification requirements of BP 2023/USP-NF 2025
Remarks: This certificate is only responsible for the above batch number and sampled samples; any alteration or photocopy of this certificate is invalid; Country of Origin: China; Packaging: 25 kg kraft paper bags with PE liner; The manufacturer reserves the right of final interpretation.
The above is an example. Actual filling shall be subject to the L/C/contract/importing country requirements.
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