Sodium Thiosulfate Pentahydrate Crystal USP EP BP JP Ester Type 005 @ 280 - 400

005 @ 280 - 400 nm 0

05% IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE

Test Specification Min Max ASSAY (ANHYDROUS BASIS) 94 102

Test Specification Min Max ASSAY 10% LOSS ON DRYING 8%

15% IDENTIFICATION TO PASS TEST TO PASS TEST

Sodium Thiosulfate Pentahydrate Crystal USP EP BP JP Ester Type 005 @ 280 - 400Test Specification Min Max ASSAY (Na[@2@]S[@2@]O[@3@]; ANHYDROUS BASIS) 99 100. 50% WATER DETERMINATION 32 37. 00% pH OF A 10% SOLUTION 6 8 CALCIUM (Ca) TO PASS TEST TO PASS TEST HEAVY METALS 10 ppm ELEMENTAL IMPURITIES AS REPORTED AS REPORTED SULFATE AND SULFITE (as SO[@4@]) 0. 20% SULFIDE (S) TO PASS TEST TO PASS TEST COLOR AND CLARITY TO PASS TEST TO PASS TEST ARSENIC 5 ppm IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF