Sodium gluconate
TestingResult: Item Foodgradestandard Industrygra…
Item | Food grade standard | Industry grade standard | Test Result |
Appearance | White or yellowish crystal powders | Meet the standard | |
Solubility | Easily soluble in water, slightly soluble in alcohol and insoluble in ether | Meet the standard | |
Identitification | Meet the standard | Meet the standard | Meet the standard |
Assay,% | 98.5min | 98 | 98.9 |
Loss on dry,% | 0.50max | 1.0max | 0.50max |
Reducing substances,% | 0.50 max | 1.0 max | 0.50 max |
Sulfate,% | 0.05 max | 0.2 max | 0.05 max |
Chloride,% | 0.07 max | 0.1 max | 0.07max |
Pb,ug/g | 10 max | 10 max | 10max |
Arsenic salt,ug/g | 3 max | 3 max | 3 max |
Heavy metals,ug/g | 20 max | 20 max | 20 max |
PH | 6.0-8.5 | 6.0-8.5 | 7.3 |
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