Isoniazid USP size:25 KG 0 SURFACE AREA 480 -

0 SURFACE AREA 480 - 550 m2/g 480 - 550 m2/g PARTICLE SIZE DISTRIBUTION UNDER 45�m 15

Test Specification Min Max TUNGSTEN 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3163 3163 EXPIRATION DATE

0 CHLORIDE 1

Test Specification Min Max APPEARANCE COLORLESS SOLUTI COLORLESS SOLUTI CONDUCTANCE @25 C 12

Isoniazid USP size:25 KG 0 SURFACE AREA 480 -Test Specification Min Max ASSAY (DRIED BASIS) 98. 0 102. 0 % 98. 0 102. 0 % MELTING RANGE 170 173 C 170 173 C pH OF A 10% SOLUTION 6. 0 7. 5 6. 0 7. 5 LOSS ON DRYING 1. 00% RESIDUE AFTER IGNITION 0. 20% HEAVY METALS 0. 00% IDENTIFICATION TO PASS TEST EXPIRATION DATE RESIDUAL SOLVENTS TO PASS TEST