Chemical Name: Potassium Citrate
Formula: K3C6H5O7·H2O
Molecular Weight: 324.41
Specificity: white crystal granule or powder, inodorous, readily deliquescence, readily soluble in water or glycerine (1g/0.5ml water), relative density; 1.98, when heated to 230oC,it will melt and decompose.
Quality standard:
Name of index |
B14889-1994 |
BP93 |
Appearance |
white crystal or crystalline powder |
|
Content,% |
≥99.0 |
99.0~101.0 |
Alkalinity |
Accord with the tes |
Accord with the tes |
Heavy metal(As Pb),% |
≤0.001 |
≤0.001 |
Arsenic (As),% |
≤0.0003 |
--- |
Loss on drying,% |
3.0~6.0 |
--- |
Oxalates,% |
--- |
≤0.03 |
Sulphates,% |
--- |
≤0. 15 |
Sodium base,% |
--- |
≤0.3 |
Chlorides(Cl),% |
--- |
≤0.005 |
Moisture, |
--- |
4.0~7.0 |
Easy carbonify substance,% |
--- |
Accord with the test |
Sample wine transparency and colour |
--- |
Accord with the test |