Customization: | Available |
---|---|
CAS No.: | 6132-04-3, 6132-04-3 |
Color: | White |
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Name of index |
GB6782-2009 |
BP93/98 |
E331 |
Appearance |
-- |
Colorless or white crystal or crystalline |
|
Content(Na3C6H5O7@2H2O),% |
99.0-100.5 |
99.0-101.0 |
99.0-101.0 |
Acidity and Alkalinity |
Compliance |
Accord with the test |
Accord with the test |
Sulphates,≤% |
0.01 |
0.015 |
0.015 |
Heavy metals(As Pb), ≤% |
-- |
0.001 |
0.0005 |
Oxalate(As H2C2O4), ≤% |
0.01 |
0.03 |
0.01 |
Easy carbonify substance |
1.0% |
Accord with the test |
Accord with the test |
Chloride, ≤% |
0.005 |
0.005 |
0.005 |
Loss on drying,% |
10.0-13.0 |
11.0-13.0 |
11.0-13.0 |
PH value(5% aqueous solution) |
-- |
-- |
7.5-9 |
Arsenic(As),≤ppm |
1 |
-- |
1 |
Lead(Pb),≤ppm |
2 |
-- |
1 |
Mercury(Hg),≤ppm |
-- |
-- |
1 |
Clarity & colour of solution |
-- |
- |
Accord with the test |
Light Transmission |
96.0 |
||
Ferric chloride |
5 |
||
Calcium salt |
0.02 |