Potassium hydrogen phthalate ACS acidimetric standard

: Thermo Fisher Scientific

Potassium hydrogen phthalate ACS acidimetric standard

: Thermo Fisher Scientific

:877-24-7

:HOOCC₆H₄COOK

:MFCD00013070

:204.22 g/mol

:13,07694

:295…300 °C (dec.)

:1,6362 g/cm³ (20 °C)

:Ambient

:212-889-4

Appearance:
White Crystalline powder or crystals
Infrared spectrum:
Conforms
pH:
4.00 to 4.02 (0.05M at 25.0 +/- 0.2°C)
Titration with NaOH:
99.95 to 100.05 % (On dried basis)
Chlorine compounds (as Cl):
≤0.003 %
Iron (Fe):
≤5 ppm
Sodium (Na):
≤0.005 %
Heavy metals (as Pb):
≤5 ppm
Sulfur compounds (as S):
≤0.002 %
Insoluble matter:
≤0.005 %

ACRO42406

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