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tri-Potassium citrate monohydrate, Pharmpur®, Ph Eur, BP, USP

- Synonyms: Citric acid potassium salt, Tripotassium citrater- C6H5K3O7·H2Or- M = 324,42 g/molr- CAS [6100-05-6]r- EINECS-No.: 212-755-5r- Solub. in water: (20 ºC): solubler- Melting point: 230 ºC (decomposes)r- Tariff number: 2918 15 00 90r- Applications: in food industry (E-332), antioxidant, preservative agent, laboratory reagent, in pharma industry.rrSPECIFICATIONSrassay (titr. with HClO4, referred to dried sample): 99,0 - 100,5 %rIdentification potassium: passes testrIdentification citrate: passes testrappearance of solution: clear and colourlessracidity or alkalinity: passes testralkalinity: passes testrchlorides (Cl): max. 50 ppmroxalates (C2O4): max. 300 ppmrsulfates (SO4): max. 150 ppmrtartrates (C4O6): passes testrsodium (Na): max. 0,3 %rreadily carbonizable substances: passes testrloss on drying (180 °C) : 3,0 - 6,0 %rwater (K.F.): 4,0 - 7,0 %r