: : : : : : : : : : TRI-SODIUM CITRATE : : : : : : : : : :
Description: Colorless or white crystal and crystalline powder. It is inodorous and taste salt, cool. It will loss crystal water at 150° C and decompose at more high temperature. It dissolves in ethanol.
Ordinary characteristic: Molecular formula: Na3C6H5O7·2H2O molecular weight: 294.1
Application: Sodium citrate is used to enhance flavor and
maintain stability of active ingredients in food and beverage in
detergent industry, it can replace sodium tripolyphosphate as a
kind of safe detergent it can aloe be used in fermentation,
injection, photography and metal plating.
Package: 25kg net bag, 50pound net bag, 500kg net bag, 1000kg
net bag with pallet.
Storage: Kept in a light-proof, well-closed, dry and cool place.
Quality specifications: BP98, USP24, enterprise standard ect..
Quality Standard of Tri-sodium Citrate
Item |
Unit |
Enterprise standard |
BP2004 |
USP31 |
FCC6 |
E331 |
GB 6782－86 |
Appearance |
|
colorless crystal or white crystalline powder |
Identification solubility |
|
Meet the specification |
Acidity or alkalinity |
|
Meet the specification |
Transparency/color |
|
Meet the specification |
Light transmission (366nm) |
|
25% aqueous solution: clear |
Meet the specification |
／ |
／ |
／ |
／ |
Moisture |
% |
11.0～13.0 |
11.0～13.0 |
10.0～13.0 |
10.0～13.0 |
≤13.5 |
／ |
Assay |
% |
99.0～100.5 |
99.0～101.0 |
99.0～100.5 |
99.0～100.5 |
≥99.0 |
≥99.0 |
RCS |
B·U |
Not beyond the standard |
Not beyond the standard |
／ |
／ |
／ |
Not beyond the standard |
Iron salt |
ppm |
≤5 |
／ |
／ |
／ |
／ |
≤10 |
Chlorides |
ppm |
≤5 |
≤50 |
／ |
／ |
／ |
≤100 |
Sulphates |
ppm |
≤20 |
≤150 |
／ |
／ |
／ |
≤300 |
Oxalates |
ppm |
≤20 |
≤300 |
／ |
／ |
≤100 |
≤500 |
Calcium salt |
ppm |
Meet the specification |
／ |
／ |
／ |
／ |
Meet the specifi-cation |
Barium salt |
ppm |
Meet the specification |
／ |
／ |
／ |
／ |
Meet the specifi-cation |
Heavy metal |
ppm |
≤1 |
≤10 |
≤10 |
／ |
≤5 |
≤5 |
Arsenic |
ppm |
≤0.2 |
／ |
／ |
／ |
≤1 |
≤1 |
Lead |
ppm |
≤1 |
／ |
／ |
≤2 |
≤1 |
／ |
Mercury |
ppm |
≤0.5 |
／ |
／ |
／ |
≤1 |
／ |
Tartrates |
|
Meet the specification |
／ |
Meet the specification |
／ |
／ |
／ |
Pyrogen |
J/mg |
Meet the specifi-cation |
Confor-ming with the test |
／ |
／ |
／ |
／ |
PH |
|
7.6～9.0 |
／ |
／ |
／ |
7.5～9.0 |
／ |
Granularity |
|
upon clients' requests |
／ |
／ |
／ |
／ |
／ |
|
