Potassium iodide 100gm Merck Germany

Description

Description
Potassium iodide 100gm Merck Germany for analysis
Chemical Formula: KI
Molar Mass: 166.01 g/mol
Grade: ISO, Reag.
Specifications
Assay (argentometric) ? 99.5 %
Assay (argentometric; calculated on dried substance) 99.5 ? 100.5 %
Identity passes test
Appearance of solution passes test
Alkaline impurities passes test
pH-value (5 %; water) 6 ? 8
Chloride and Bromide (as Cl) ? 0.01 %
Iodate (IO?) ? 0.0003 %
Phosphate (PO?) ? 0.001 %
Sulfate (SO?) ? 0.001 %
Thiosulfate (S?O?) passes test
Total nitrogen (N) ? 0.001 %
Heavy metals (as Pb) ? 0.0005 %
As (Arsenic) ? 0.00001 %
Ba (Barium) ? 0.002 %
Ca (Calcium) ? 0.001 %
Cu (Copper) ? 0.0002 %
Fe (Iron) ? 0.0002 %
Mg (Magnesium) ? 0.001 %
Na (Sodium) ? 0.03 %
Pb (Lead) ? 0.0002 %
Reducing substances passes test
Loss on Drying (105 ?C) ? 0.5 %