di-Sodium tetra-Borate 10-hydrate (USP-NF, BP, Ph. Eur.) pure, pharma grade

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di-Sodium tetra-Borate 10-hydrate (USP-NF, BP, Ph. Eur.) pure, pharma grade
Content: 25 KGM
Physical Description:
solid
Quality Name: pure, pharma grade
Specification: Assay (Acidim.)@99.0-103.0%§Identity according to Pharmacopoeias:@passes test§pH of 4% solution@9.0-9.6§CHAR(13) + CHAR(10) Maximum limit of impurities@§Appearance of solution@passes test§Insoluble matter in H2O@0.025 %§Chloride (Cl)@0.005%§Ammonium (NH4)@0.001%§Phosphate (PO4)@0.005 %§Sulfate (SO4)@0.005%§Residual solvents (Ph.Eur/USP)@passes test§Carbonate and Hydrogen Carbonate@passes test§Heavy metals (as Pb)@0.002%§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§Class 3 (Fe, Zn)@1,300 ppm§Ca@0.01 %