Listing ID #1398161
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| Formula | Zn So4 H2O |
|---|---|
| Appearance | White Powder |
| Zinc (% by weight) | 33 |
| pH | 4-4.5 |
| Matter Insoluble ( % by weight ) | 0.9 |
| Cu (% by weight ) | 0.001 |
| Pb (% by weight ) | 0.0022 |
| Fe(% by weight ) | less than.5% |
| Mg ( % by weight ) | 0.02 |
| Particulars | Required | Result |
|---|---|---|
| Assay (ZnSO4.H2O) | 98 %. | Min. 99 % |
| Zinc (Zn) | Min. 34 % | Min. 36 % |
| Sulphur (S) | Min. 17 %. | Min. 17.6 % |
| Arsenic (As) | Max. 10 ppm | Max. 4 ppm |
| Cadmium (Cd) | Max. 20 ppm | Max. 19 ppm |
| Calcium (Ca) | Max.200ppm | Not Detected |
| Magnesium (Mg) | Not Detected | Not Detected |
| Chromium (Cr) | Max. 50 ppm | Not Detected |
| Cobalt (Co) | Max. 40 ppm | Not Detected |
| Lead (Pb) | Max. 50 ppm | Max. 22 ppm |
| Mercury (Hg) | Max. 1 ppm | Max. 5 ppm |
| Molybdenum (Mo) | Max.100 ppm | Not Detected |
| Nickel (Ni) | Max.100 ppm | Not Detected |
| Selenium (Se) | Max. 40 ppm | Not Detected |
| Appearance | White / off White Powder | White Powder |
| Clarity & Colour of Solution (29 gms. Dissolved in 71 gms. DI Water) | Clear & Colourless | Clear & Colourless |
| Free Flowing | Must be free flowing, Dry, Free From Lumps, Doesn't form cake | Free Flowing, Dry, Without Lumps Powder Doesn't form cake. |
| Size | 98% Min.<20 to 200 US Mesh Sieve | 250 Mesh |
| Water Insoluble | Max. 0.5% | Max. 0,1 % |
| Bulk Density | 1200 to 1600 kg./cm. | |
| pH 10 % Solution | 4 to 6 | 4.5 |
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