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 |
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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