Kaliumhydrogenphthalat ACS acidimetric standard
Leverandør: Thermo Fisher Scientific
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
Synonymer:
Potassium phthalate monobasic, Potassium biphthalate, Potassium Acid Phthalate, KHP, Phthalic Acid Monopotassium Salt, Phthalic acid potassium salt
424061000
424065000
424060025
ACRO424061000EA
386
DKK
ACRO424061000
ACRO424065000
ACRO424060025
Kaliumhydrogenphthalat ACS acidimetric standard
Kaliumhydrogenphthalat
Formel:
HOOCC₆H₄COOK Molekylvægt: 204.22 g/mol Smeltepunkt: 295…300 °C (dec.) Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00013070 CAS-nummer: 877-24-7 EINECS: 212-889-4 Merck Index: 13,07694 |
|
Specifikationer 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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