Potassium Hydrogen Phthalate standard for volumetry, ACS, ISO

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Potassium Hydrogen Phthalate standard for volumetry, ACS, ISO
Content: 100 GRM
Physical Description:
solid
Quality Name: standard for volumetry, ACS, ISO
Primary Chemical Matter
Specification: Uncertainty@See certificate§Traceability@NIST§Assay (Acidim.) (after drying at 105°C)@99.95-100.05%§Identity@IR passes test§pH sol. 0.05 mol/l at 25±0.2°C@4.00-4.02§CHAR(13) + CHAR(10) Maximum limit of impurities@§Insoluble matter in H2O@0.003 %§Chloride (Cl)@0.002%§Nitrogen compounds (as N)@0.001%§Sulfur compounds (as S)@0.002 %§Chlorine compounds (as Cl)@0.003%§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@0.005 %§Ni@0.0005 %§Pb@0.0005 %§Zn@0.0005 %