Potassium Citrate

In food processing industry, it is used as buffer, chelate agent, stabilizer, antioxidant, emulsifier and flavoring.

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Introduction

1.Chemical Name: Potassium citrate
2.Molecular Formula: K3C6H5O7'H2O
3.Molecular Weight: 324.41
4.CAS: 6100-05-6
5.Character: It is white crystal or powder, odorless, tasting salty. It's slightly deliquescent, easily soluble in water or glycerine, almost insoluble in ethanol. Relative density is 1.98. It will melt and decompose when heated to 230 .
6.Usage: In food processing industry, it is used as buffer, chelate agent, stabilizer, antioxidant, emulsifier and flavoring. It can be used in dairy product,jelly, jam, meat and tinned pastry. It also can be used as emulsifier in cheese and refreshing in oranges and etc. In pharmaceutical, it is used for hypokalimia, potassium depletion and alkalization of urine.

Functions and Applications

Item	Standard	Testing results
Color	White or colorless	Pass test
Form	Crystalline particle or powder	Pass test
Potassium citrate(Dry base meter)	99.0%-100.5%	99.5%
Transmittance	≥95.0%	95.6%
Loss on drying	3.0%-6.0%	Pass test
Alkalinity	Pass test	Pass test
Sulfate	≤0.015%	0.01%
Oxalate	≤0.03%	0.02%
Cloride	≤0.005%	0.003%
Easy carbonization	≤1.0%	0.86%
Lead(As pb)	≤2.0%	1.88%
Arsenic(As As)	≤1.0mg/kg	0.56mg/kg
Water insoluble	Pass test	Pass test
Ferric salt	≤5.0%	4.55%
Calcium salt	≤0.02%

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