Potassium Hydrogen Phthalate for analysis, ISO

Potassium Hydrogen Phthalate for analysis, ISO
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ISO
Specification: Minimum assay (Perchl. Ac.): 99.5%
Identity: IR passes test

?maximum limit of impurities:
Insoluble matter in H2O: 0.003 %
Loss on drying at 110°C: 0.05%
Chloride (Cl): 0.002%
Nitrogen compounds (as N): 0.001%
Sulfur compounds (as S): 0.002 %
Heavy metals (as Pb): 0.0005%
Ca: 0.001 %
Cd: 0.0005 %
Co: 0.0005 %
Cr: 0.001 %
Cu: 0.0005 %
Fe: 0.0005 %
Mg: 0.001 %
Mn: 0.0005 %
Na: 0.01 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.0005 %