Potassium Sulfate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO

Potassium Sulfate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO
Content: 1000 GRM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Minimum assay@99.0%§pH of 5% solution@5.5-8.0§CHAR(13) + CHAR(10) Maximum limit of impurities@§Insoluble matter in H2O@0.005 %§Loss on drying at 105°C@1.0%§Chloride (Cl)@0.0005%§Nitrogen compounds (as N)@0.0005%§Phosphate (PO4)@0.0005 %§As@0.0001 %§Heavy Metals (ICP-OES)@0.0005 %§CHAR(13) + CHAR(10) Metals by ICP [in mg/Kg (ppm)]@§Al@5§Ba@5§Be@5§Ca@50§Cd@5§Co@5§Cr@5§Cu@5§Fe@5§Ga@5§In@5§Li@10§Mg@20§Mn@5§Mo@5§Na@200§Ni@5§Pb@5§Se@5§Sr@5§Ti@5§V@5§Zn@5§Zr@5