Kaliumhydrogenphthalat ACS acidimetrischer Standard

Lieferant: Thermo Scientific

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

424061000 424065000 424060025
ACRO424061000EA 47.2 CHF
ACRO424061000 ACRO424065000 ACRO424060025
Kaliumhydrogenphthalat ACS acidimetrischer Standard
Kaliumhydrogenphthalat
Formel: HOOCC₆H₄COOK
MW: 204,22 g/mol
Melting Pt: 295…300 °C (dec.)
Dichte: 1,6362 g/cm³ (20 °C)
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00013070
CAS-Nummer: 877-24-7
EINECS: 212-889-4
Merck Index: 13,07694
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Spezifikation Testergebnisse

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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