Description
di-Sodium Oxalate standard for volumetry, ACS
Content: 100 GRM
Physical Description:
solid
Quality Name: standard for volumetry, ACS
Primary Chemical Matter
Specification: Uncertainty: See certificate
Traceability: NIST
Assay (Perm.) (after drying at 130°C): 99.95-100.05%
?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Darkened substances by H2SO4: passes test
Chloride (Cl): 0.002%
Ammonium (NH4): 0.002%
Phosphate (PO4): 0.005 %
Sulfate (SO4): 0.002%
Neutrality: passes test
Heavy metals (as Pb): 0.002%
Cu: 0.001 %
Fe: 0.0005 %
K: 0.005 %
Ni: 0.001 %
Pb: 0.001 %
Content: 100 GRM
Physical Description:
solid
Quality Name: standard for volumetry, ACS
Primary Chemical Matter
Specification: Uncertainty: See certificate
Traceability: NIST
Assay (Perm.) (after drying at 130°C): 99.95-100.05%
?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Darkened substances by H2SO4: passes test
Chloride (Cl): 0.002%
Ammonium (NH4): 0.002%
Phosphate (PO4): 0.005 %
Sulfate (SO4): 0.002%
Neutrality: passes test
Heavy metals (as Pb): 0.002%
Cu: 0.001 %
Fe: 0.0005 %
K: 0.005 %
Ni: 0.001 %
Pb: 0.001 %