Fisher Scientific UK Ltd. Bishop Meadow Road, Loughborough, LE11 5RG Certificate of Analysis Thermo Fisher Scientific's Quality System has been found to conform to Quality Management System Standard ISO9001:2015 by SAI Global Certificate Number. QMS42099 Catalogue Number A/3446 Lot Number 2482712 Description Ammonium acetate , HPLC Reagent Quality Test / Release Date 14-MAR-24 Expiry Phrase Use within 2 years of opening Country of Origin Netherlands Declaration of Origin Synthetic BSE/TSE Not directly derived from or manufactured with any animal byproducts in any way (Including but not limited to fermentation or nutrient broth, catalysts, enzymes). Result Name Units Specification Test Value Appearance White Very fine crystals (<0.5 mm) White Very fine crystals (<0.5 mm) Absorbance @ 254 nm (1M aq. soln.) A.U. <= 0.02 0.01 Assay (dried) % >= 99 99.27 Iron (Fe) ppm <= 1 <0.5 Lead (Pb) ppm <= 1 <0.5 Total chloride (Cl) % <= 0.0005 <0.0005 pH (5% aq. solution) >= 6.5 and <= 7.5 7.093 Certified By Mrs Paula Faulkes Thursday 18th of December 2025 Quality Assurance Manager. Products are processed under ISO 9001:2015 quality management systems and samples are tested for conformance to the noted specifications. Certain data may have been supplied by third parties. We disclaim the implied warranties of merchantability and fitness for a particular purpose, and the accuracy of third-party data or information associated with the product. Products are for research use or further manufacturing. Products are not for direct administration to humans or animals. It is the responsibility of the final formulator or end user to determine suitability, and to qualify and/or validate each product for its intended use.