Kaliumhydrogenftalat ACS acidimetric standard

Leverandør: Thermo Scientific

Synonymer: Potassium phthalate monobasic, Potassium biphthalate, Potassium Acid Phthalate, KHP, Phthalic Acid Monopotassium Salt, Phthalic acid potassium salt

424061000 424065000 424060025
ACRO424061000EA 670 NOK
ACRO424061000 ACRO424065000 ACRO424060025
Kaliumhydrogenftalat ACS acidimetric standard
Kaliumhydrogenftalat
Formel: HOOCC₆H₄COOK
MW: 204,22 g/mol
Smeltepunkt: 295…300 °C (dec.)
Tetthet: 1,6362 g/cm³ (20 °C)
Lagringstemperatur: Romtemperatur
MDL nummer: MFCD00013070
CAS-nummer: 877-24-7
EINECS: 212-889-4
Merck Indeks: 13,07694
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Spesifikasjon Testresultater

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 %

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