Kaliumväteftalat ACS acidimetric standard
Leverantör: Thermo Scientific
Synonyms:
Potassium phthalate monobasic, Potassium biphthalate, Potassium Acid Phthalate, KHP, Phthalic Acid Monopotassium Salt, Phthalic acid potassium salt
424061000
424065000
424060025
ACRO424061000EA
770
SEK
ACRO424061000
ACRO424065000
ACRO424060025
Kaliumväteftalat ACS acidimetric standard
Kaliumväteftalat
Formel:
HOOCC₆H₄COOK MW: 204,22 g/mol Smältpunkt: 295…300 °C (dec.) Densitet: 1,6362 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00013070 CAS nummer: 877-24-7 EINECS: 212-889-4 Merck Index: 13,07694 |
Specifikation testresultat
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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