TRIPOTASSIUM CITRATE

2016/6/12 Read:703

1, molecular formula: C6H5K3O7●H2O , molecular weight: 324.41
2, white or slightly yellow crystalline granule or crystalline powder, no smell, taste salty, cool, slight deliquescence, easily soluble in water or glycerine, almost insoluble in ethanol, Relative density 1.98. Melting point is 230 degrees Celsius.
3, use: used as buffer in the food industry, chelating agent, stabilizer, antioxidant, emulsifying agent and flavoring agent. Can be used for milk and dairy products, jelly, jam, meat, canned gel snacks, is also used for cheese , citrus preservation, etc.Used for hypokalemia…in pharmaceutical industry, potassium deficiency and alkalization of urine.
4, Packing: Packed with polyethylene plastic bag as liner, and woven bag as the outer layer. The net weight of each bag is 25kg.
指标名称 Name of index   BP2010 E-332(ii) USP-30
外观 Description   White, hygroscopic, granular powder or transparent crystals
鉴别试验 Identification   Pass test Pass test Pass test
溶解度 Solubility   Very soluble in water, practically insoluble in ethanol (96 per cent) -- --
溶液外观 Appearance of solution   Solution is clear and colorless -- --
含量(以干基计) Assay (anhydrous basis) % 99.0—101.0 ≥99.0 99.0-100.5
氯化物 Chloride ≤ppm 50 -- --
重金属 Heavy metals ≤ppm 10 -- 10
有机挥发杂质 Organic volatile impurities   -- -- Pass test
Sodium, ≤% 0.3 -- --
草酸盐 Oxalates ≤% 0.03 0.01 --
硫酸盐 Sulphates ≤% 0.015 -- --
酸碱度 Acidity or Alkalinity   Pass test -- Pass test
酒石酸盐 Tartrate   -- -- Pass test
易碳化物 Readily carbonisable substances   Pass test -- --
干燥失重 Loss on drying % 4.0-7.0 ≤6(180℃,4h) 3.0-6.0(180℃,4h)
pH(5%水溶液) pH(5% aqueous solution)   -- 7.5-9.0 --
Arsenic(As), ≤ppm -- 1 --
Lead(Pb) ≤ppm -- 1 --
Mercury(Hg) ≤ppm -- 1 --

    

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