Potassium Sodium Tartrate 4-hydrate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO

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Potassium Sodium Tartrate 4-hydrate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO
Content: 1000 GRM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Assay (Perchl. Ac.)@99.0-102.0%§pH of 5% solution@6.5-8.5§CHAR(13) + CHAR(10) Maximum limit of impurities@§Insoluble matter in H2O@0.003 %§Chloride (Cl)@0.0005%§Ammonium (NH4)@0.002%§Phosphate (PO4)@0.001 %§Sulfate (SO4)@0.005%§Heavy Metals (ICP-OES)@0.0005 %§As@0.00002 %§Ca@0.002 %§Cu@0.0002 %§Fe@0.0002 %§Mg@0.002 %§Ni@0.0005 %§Pb@0.0002 %§Zn@0.001 %