Testing Item | Standard | Result |
Purity/% | ≥99 | 99.48 |
Loss on drying/% | ≤2 | 1.25 |
Clarity of Solution | Clear & Colourless | Passed the test |
Appearance | Free flowing white column | Passed the test |
The Acid &Alkalinity | ≤0.2ml | ≤0.2ml(on the principle of 0.1mol/l NaOH) |
Chlorides/% | ≤0.02 | ≤0.02 |
Total Chlorine/% | ≤0.03 | ≤0.03 |
Heavy Metal/% | ≤0.001 | ≤0.001 |
Arsenic/% | ≤0.0003 | ≤0.0003 |
Mercury/% | ≤0.0001 | ≤0.0001 |
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides |