Kaliumhydrogenphthalat 99,95-100,05% (Trockenmasse), Kristalle, BAKER ANALYZED® ACS, J.T.Baker®
Lieferant: Avantor
Synonyme:
1,2-Benzoldicarbonsäure Kaliumsalz
, Kaliumphthalat monobasisch
, Phthalsäure Kaliumsalz
2958-00EA
142.01
EUR
2958-R
2958-00
2958-01
2958-05
2958-07
Kaliumhydrogenphthalat 99,95-100,05% (Trockenmasse), Kristalle, BAKER ANALYZED® ACS, J.T.Baker®
Kaliumhydrogenphthalat
This reagent is satisfactory for use as a pH standard. For use as an acidimetric standard, this material should be lightly crushed and dried for 2 hours at 120 °C to remove any absorbed moisture.
Formel:
HOOCC₆H₄COOK Molecular Weight: 204,22 g/mol Schmelzpunkt: 295…300 °C Dichte: 1,6362 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00013070 CAS-Nummer: 877-24-7 EINECS: 212-889-4 Merck Index: 13,07694 |
Spezifikation Testergebnisse
Meets ACS Reagent Chemical Requirements | |
For Laboratory,Research,or Manufacturing Use | |
Assay (1-KOCOC₆H₄-2-COOH) (dried basis) | 99.95 - 100.05 % |
Insoluble Matter | ≤0.005 % |
pH of 0.05M Solution at 25°C | 4.00 - 4.02 |
Chlorinated Compounds (as Cl) | ≤0.003 % |
Sulfur Compounds (as S) | ≤0.002 % |
Sodium (Na) | ≤0.005 % |
Trace Impurities - ACS - Heavy Metals (as Pb) | ≤5 ppm |
Trace Impurities - Iron (Fe) | ≤5 ppm |
This reagent is satisfactory for use as a pH standard. For use as | |
anacidimetric standard, this material should be lightly crushed and dried for2 hours at 120° C to remove any absorbed moisture. | |
Meets Reagent Specifications for testing USP/NF monographs |
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