Sulfacetamide Sodium, Monohydrate, USPTest Specification Min Max ASSAY (ANHYDROUS BASIS) 99. 0 100. 5% pH OF A 5% SOLUTION @ 25[dC 8. 0 9. 5 SELENIUM (Se) 30 ppm ELEMENTAL IMPURITIES AS REPORTED AS REPORTED WATER DETERMINATION 8. 1 % ORGANIC IMPURITIES TO PASS TEST TO PASS TEST IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST