Cobalt(II) Chloride 6-hydrate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO

Cobalt(II) Chloride 6-hydrate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO
Content: 250 GRM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Assay (Compl.): 99.0-102.0%

?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Ammonium (NH4): 0.005%
Sulfate (SO4): 0.005%
Non-precipitated substances by (NH4)2S: 0.25 %
Nitrate (NO3): 0.01%
Ca: 0.005 %
Cu: 0.001 %
Fe: 0.005 %
K: 0.01 %
Mg: 0.005 %
Mn: 0.01 %
Na: 0.05 %
Ni: 0.05 %
Pb: 0.003 %
Zn: 0.002 %