Potassium hydrogen phthalate 99.99% acidimetric standard

: Thermo Fisher Scientific

Potassium hydrogen phthalate 99.99% 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
Assay:
99.95 to 100.05 %
pH:
3.8 to 4 (5 % at 20°C)
Sulfate (SO4):
≤60 ppm
Chlorine compounds:
≤30 ppm (as Cl)
Iron (Fe):
≤5 ppm
Sodium (Na):
≤50 ppm
Heavy metals (as Pb):
≤5 ppm

ACRO17712

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