tri-Potassium citrate monohydrate, Pharmpur®, Ph Eur, BP, USP
- Synonyms: Citric acid potassium salt, Tripotassium citrate
- C6H5K3O7·H2O
- M = 324,42 g/mol
- CAS [6100-05-6]
- EINECS-No.: 212-755-5
- Solub. in water: (20 ºC): soluble
- Melting point: 230 ºC (decomposes)
- Tariff number: 2918 15 00 90
- Applications: in food industry (E-332), antioxidant, preservative agent, laboratory reagent, in pharma industry.
SPECIFICATIONS
assay (titr. with HClO4, referred to dried sample): 99,0 - 100,5 %
Identification potassium: passes test
Identification citrate: passes test
appearance of solution: clear and colourless
acidity or alkalinity: passes test
alkalinity: passes test
chlorides (Cl): max. 50 ppm
oxalates (C2O4): max. 300 ppm
sulfates (SO4): max. 150 ppm
tartrates (C4O6): passes test
sodium (Na): max. 0,3 %
readily carbonizable substances: passes test
loss on drying (180 °C) : 3,0 - 6,0 %
water (K.F.): 4,0 - 7,0 %
| Reference | Volume | ||
|---|---|---|---|
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PO01860500 | x 500 g |
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