Buffer Solution pH 9.18 Reference Standard Benzoic Acids Test Specification Min Max ASSAY

Test Specification Min Max ASSAY (C[@3@]H[@7@]NO[@2@]

00% FREE PHOSPHATE (AS PO[@4@]) 1% FREE RIBOFLAVIN & RIBOFLAVIN DIPHOSPHATE TO PASS TEST LUMIFLAVIN TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION A TO PASS TEST IDENTIFICATION B TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST CLASS 2 (solvent) / CYCLOHEXANE 3880 ppm CLASS 2 (solvent) / PYRIDINE 200 ppm CLASS 3 (solvent) / ETHANOL 5000 ppm OTHER RESIDUAL SOLVENTS: ISOPROPYL ETHER - 500 ppm

Test Specification Min Max PURITY (NEUTRALIZATION TITRATION) 98

2 ARSENIC (As) 0

Buffer Solution pH 9.18 Reference Standard Benzoic Acids Test Specification Min Max ASSAY