| Name of index |
GB14889-94 |
BP93 |
BP98 |
| Appearance |
White or light yellow crystal or powder |
White or light yellow crystal or powder |
White or light yellow crystal or powder |
| Content(K3C6H5O7) >=% |
99.0 |
99.0-101.0 |
99.0-101.0 |
| Heavy metal(AsPb) =<% |
0.001 |
0.001 |
0.001 |
| AS =<% |
0.0003 |
- |
0.0001 |
| Loss on drying % |
3.0-6.0 |
- |
- |
| Moisture% |
- |
4.0-7.0 |
4.0-7.0 |
| Cl =<% |
- |
0.005 |
0.005 |
| Sulphate Salt =<% |
- |
0.015 |
0.015 |
| Qxalate Salt =<% |
- |
0.03 |
0.03 |
| Sodium =<% |
- |
0.3 |
0.3 |
| Alkalinity |
Accord with the test |
Accord with the test |
Accord with the test |
| Readily Carbonisable Substances |
- |
Accord with the test |
Accord with the test |
| Transparenly and color of sample |
- |
Accord with the test |
Accord with the test |
| Pyrogens |
- |
- |
Accord with the test |
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