Description
purum p.a., ≥99.0% (NT)
Synonyms: Citric acid tripotassium salt, Tripotassium citrate
Linear Formula: HOC(COOK)(CH2COOK)2 · H2O
General description
Potassium citrate tribasic monohydrate is the tripotassium salt of citric acid. It has been proposed as a promising organic salt for the formation of aqueous two-phase system (ATPS). UCON (temperature-responsive polymer) + potassium citrate ATPS has been studied.
Application
Potassium citrate tribasic monohydrate (tribasic potassium citrate) may be added as a promoter during the preparation of activated carbon-supported CuCl2 + PdCl2 + NaOH catalyst. This catalyst was employed for the conversion of ethanol to diethyl carbonate (DEC). It may be used to compose the fermentation medium for Aspergillus niger 72-4. It may be used as a standard to investigate the influence of Bergenia ligulata rhizome (BLR) on CaC2O4 crystallization.
PROPERTIES
grade
purum p.a.
Assay
≥99.0% (NT)
form
liquid
pH
7.5-9.0 (25 °C, 50 mg/mL in H2O)
mp
275 °C (dec.) (lit.)
solubility
H2O: 0.5 g/10 mL, clear, colorless
anion traces
chloride (Cl–): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
Na: ≤1500 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg
![Universal indicator solution uniLAB, Merck [100ml]](https://idealmedical.co.za/wp/wp-content/uploads/2020/08/276-pH-indicator-soln-300x300.jpg)
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