Customization: | Available |
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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 |