|
Item |
Standard |
Test results |
|
Color |
White |
White |
|
Form |
Crystal or powder |
Crystal or powder |
|
Total alkalinity(As KHCO3,on dry basis) |
99.0%-101.5% |
99.5% |
|
Water insoluble |
≤0.02% |
0.01% |
|
Loss on drying |
≤0.25% |
0.2% |
|
pH(100g/L solution) |
≤8.6 |
Pass test |
|
Heavy metal(As Pb) |
≤5mg/kg |
4.65mg/kg |
|
As |
≤3mg/kg |
2.55mg/kg |





