Sodium Sulfite anhydrous (BP, Ph. Eur.) pharma grade

Sodium Sulfite anhydrous (BP, Ph. Eur.) pharma grade
Content: 25 KGM
Physical Description:
solid
Quality Name: pharma grade
Specification: Assay (Iodom.): 95.0-100.5%
Identity according to Pharmacopoeias: passes test

?maximum limit of impurities:
Appearance of solution: passes test
Insoluble matter in H2O: passes test
Residual solvents (Ph.Eur.): passes test
Thiosulfate: 0.1%
Heavy metals (as Pb): 0.001%
Residual metals ICP: (according to EMEA/CHMP/SWP/4446/2000):
Class 1A (Pt, Pd): 10 ppm
Class 1B (Ir, Rh, Ru, Os): 10 ppm
Class 1C (Mo, Ni, Cr, V): 25 ppm
Class 2 (Cu, Mn): 250 ppm
Fe: 0.001 %
Se: 0.001 %
Zn: 0.0025 %