| ≥1 piece |
Ⅰ Chemical Name: Mono-hydrous trisodium 2-hydroxy propane-1,2,3-tricarboxylate potassium citrate.
Molecular Formula: K 3 C 6 H 5 O 7 · H 2 O
Ⅱ Molecular Weight: 324.41
Ⅲ Properties: White crystal or powder; odourless; taste salty; slightly deliquescence; readily soluble in water or glycerine, almost insoluble in ethanol (Relative density 1.98, it will melt and decompose when heated to 230 ℃ ) .
Ⅳ Quality standard: GB14889-94, BP93/98, E332
Ⅴ Application: In food processing industry,it is used as buffer agent ,chelate agent, stabilizer, antibiotic oxidizer, emulsifier, flavor regluator, used in dairy product, jellies, jam, meat, tinned pastry. Used as emulsifier in Cheese and used in citrus freshening. In pharmaceutical, it is used for curing hypokalimia, potassium depletion and alkalization of urine.
Ⅵ Packing: It is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
Ⅶ Storage and transport: Kept in tightly-closed containers, it should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be separately from poisonous substances. Handled with care,so as to avoid damage to bags.
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Name of index |
GB14889-94 |
BP93/98 |
E332 |
|
Appearance |
White, hygroscopic, granular powder or transparent crystals |
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|
Identification |
Positive tests for citrate and for potassium |
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|
Appearance of solution |
|
Clear and colourless |
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|
Assay(on anhydrous basis),% |
≥ 99.0 |
99.0-101.0 |
≥ 99.0 |
|
Chlorides, ≤ ppm |
-- |
50 |
-- |
|
Heavy metal （ As Pb ） , ≤ ppm |
10 |
10 |
5 |
|
Sodium, ≤ % |
– |
0.3 |
-- |
|
Oxalates, ≤ % |
-- |
0.03 |
0.01 |
|
Sulphates, ≤ % |
-- |
0.15 |
-- |
|
Acidity or Alkalinity |
By test |
Passes test |
-- |
|
Readity carbonisable substances |
-- |
Not deeper than standard |
-- |
|
Loss on drying(180 ℃ ,4h) |
3.0-6.0 |
4.0-7.0 |
≤ 6% |
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pH(5% aqueous solution) |
-- |
|
7.5-9.0 |
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Arsenic(As), ≤ ppm |
3 |
– |
1 |