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Potassium hydrogen phthalate, reference material for NIST
99.5+% C8H5O4K
For laboratory use, Ph. Eur., buffer substance
Traceability: Reference standards acc. NIST SRM
84L
CL00.3732
CAS Nr:877-24-7
Physical
- Form: solid
- Colour: colourless
- Melting point: 295°C
- Boiling point: -
- Flash point: -
- Density: 1,636 g/cm3
- Mol Weight: 204.22 g/mol
- Storage temp: RT
Art. Nr. | Pack | Mod | Stock | ||
---|---|---|---|---|---|
CL00.3732.0050 | 50 g | GVB | 33 |
Specs
- Assay >99.5%
- Loss on drying <0.2%
- Cadmium (Cd) <0.0005%
- Cobalt (Co) <0.0005%
- Copper (Cu) <0.0005%
- Iron (Fe) <0.0005%
- Sodium (Na) <0.01%
- Nickel (Ni) <0.0005%
- Lead (Pb) <0.0005%
- Zinc (Zn) <0.0005%
- Chloride (Cl) <0.001%
- Sulfate (SO4) <0.005%
Safety
- HS Nr: 29173985