| ≥1 piece |
|
Name of index |
B14889-1994 |
BP93 |
|
Appearance |
white crystal or crystalline powder |
|
|
Content,% |
≥99.0 |
99.0??101.0 |
|
Alkalinity |
Accord with the tes |
Accord with the tes |
|
Heavy metal£¨As Pb£?£?% |
≤0.001 |
≤0.001 |
|
Arsenic (As)£?% |
≤0.0003 |
--- |
|
Loss on drying,% |
3.0??6.0 |
--- |
|
Oxalates£?% |
--- |
≤0.03 |
|
Sulphates£?% |
--- |
≤0. 15 |
|
Sodium base,% |
--- |
≤0.3 |
|
Chlorides(Cl)£?% |
--- |
≤0.005 |
|
Moisture, |
--- |
4.0??7.0 |
|
Easy carbonify substance,% |
--- |
Accord with the test |
|
Sample wine transparency and colour |
--- |
Accord with the test |