Sodium Citrate consists of colorless crystals or white crystalline powder, odorless, with a saline taste; It will loss crystal water at 150°C; with slight deliquescence in the wet air, with slightly weathered in the hot air, soluble in water, insoluble in ethanol.It is used as flavors, stabilizing agent, buffering agent, chelating agent, nutritional supplement of buttermilk, emulsifying agent and flavoring agent in food and beverage industry; it can be used as anti-blood clotting, apophlegmatisant and diuretics in pharmaceutical industry; it can replace sodium tripolyphosphate as a non-toxic detergent additives in detergent industry; it can also be used in brewing, injection, photography drugs and electroplating etc.
|
Item |
Unit |
BP 2013 |
USP 36 |
FCC 8 |
E 330 |
|
Characters |
|
White Crystalline Powder, Colorless Crystals or Granules |
|||
|
Identification |
|
Pass Test |
|||
|
Color & Clarity of Solution |
|
Pass Test |
/ |
/ |
Pass Test |
|
Assay |
% |
99.0-101.0 |
99.0-100.5 |
99.0-100.5 |
≥99.0 |
|
Water |
% |
11.0-13.0 |
10.0-13.0 |
10.0-13.0 |
11.0-13.0 |
|
Readily Carbonisable Substances |
|
Not Darker than Standard |
/ |
/ |
Pass Test |
|
Sulphate |
ppm |
≤150 |
/ |
/ |
≤150 |
|
Chloride |
ppm |
≤50 |
/ |
/ |
≤50 |
|
Oxalate |
ppm |
≤300 |
/ |
/ |
≤100 |
|
Iron |
ppm |
/ |
/ |
/ |
≤5 |
|
Lead |
ppm |
/ |
/ |
≤2 |
≤1 |
|
Arsenic |
ppm |
/ |
/ |
/ |
≤1 |
|
Mercury |
ppm |
/ |
/ |
/ |
≤1 |
|
Tartrate |
ppm |
/ |
Pass Test |
/ |
/ |
|
Heavy Metals |
ppm |
≤10 |
≤10 |
/ |
≤5 |
|
PH |
ppm |
/ |
/ |
/ |
7.5-9.0 |
|
Pyrogen |
ppm |
Pass Test |
/ |
/ |
/ |
|
Sulphate |
ppm |
≤150 |
/ |
/ |
≤150 |