Ammonium Peroxodisulphate (APS) (Reag. USP, Ph. Eur.) for analysis, ACS, BioChem

Ammonium Peroxodisulphate (APS) (Reag. USP, Ph. Eur.) for analysis, ACS, BioChemica
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, BioChemica
Specification: Minimum assay: 98.0 %*
pH of 5% solution: < 4.0

?maximum limit of impurities:
Acidity: 0.04 meq/g
Insoluble matter in H2O: 0.005 %
Residue on ignition (as SO4): 0.05 %
Chloride and Chlorate (as Cl): 0.001%
Heavy metals (as Pb): 0.005%
Ca: 0,01 %
Cd: 0,0005 %
Co: 0,0005 %
Cr: 0,0005 %
Cu: 0,0005 %
Fe: 0,001 %
K: 0,005 %
Mg: 0,005 %
Mn: 0,00005 %
Na: 0,01 %
Ni: 0,0005 %
Pb: 0,0005 %
Zn: 0,0005 %
* At the moment of the batch analysis.: