Food Grade Potassium Citrate Powder
Molecular formula:K3C6H5O7·H2O
Molecular Weight:324.41
Quality standards:
Name of index |
GB14889-94 |
BP2009 |
FCC-V |
USP32 |
E 332 (ii) |
Appearance |
White or light yellow crystal or powder |
White or light yellow crystal or powder |
White or light yellow crystal or powder |
White or light yellow crystal or powder |
White, hygroscopic, granular powder or transparent crystals |
Content(K3C6H5O7) ,≥% |
99.0 |
99.0-101.0
|
99.0-100.5 |
99.0-100.5 |
99.0(on the anhydrous basis) |
Test for citrate |
- |
- |
- |
- |
Passes test |
Test for potassium |
- |
- |
- |
- |
Passes test |
PH(5 % aqueous solution) |
- |
- |
- |
- |
7.5-9.0 |
Heavy metal(AsPb),≤% |
0.001 |
0.001 |
- |
0.001 |
- |
AS ,≤% |
0.0003 |
0.0001 |
- |
0.0001 |
0.0001 |
Loss on drying ,% |
3.0-6.0 |
- |
3.0-6.0 |
3.0-6.0 |
≤6.0(180 °C, 4 hours) |
Lead |
- |
- |
0.0002 |
- |
0.0001 |
Mercury ,≤% |
- |
- |
|
- |
0.0001 |
Moisture ,% |
- |
4.0-7.0 |
- |
- |
- |
Cl ,≤% |
- |
0.005 |
- |
- |
- |
Sulphate Salt ,≤% |
- |
0.015 |
- |
- |
- |
Qxalates ,≤% |
- |
0.03 |
- |
- |
0.01(as oxalic acid, after drying) |
Sodium ,≤% |
- |
0.3 |
- |
- |
- |
Alkalinity |
Pass test |
Pass test |
Pass test |
Pass test |
- |
Readily Carbonisable Substances |
- |
Pass test |
- |
- |
- |
Transparenly and color of sample |
- |
Pass test |
- |
- |
- |
Pyrogens |
- |
Pass test |
- |
- |
- |