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Contact Supplier| PARAMETERS | UNIT | SPECIFICATIONS | TEST METHOD |
|---|---|---|---|
| Description | - | Light, Fine, amorphous, odorless powder. | IMS-WI-QC-024 |
| Solubility | - | Practically insoluble in water and mineral acids except in Hydrofluoric acid. Dissolves in alkali on heating. | |
| Identification | - | Should pass the test | |
| Loss on Ignition, (at 9000C for 2 hours) | % | 5.0 Max. | |
| pH (1 gm in 30 ml aqu. suspn.) | - | 3.5 to 5.5 | |
| Assay, (SiO2 ; on Ignited basis) | % | 99.0 to 100.5 | |
| Chloride | ppm | 250 Max. | |
| Heavy Metals as Pb | ppm | 25.0 Max. | |
| Arsenic | ppm | 8.0 Max. | |
| Loss on Drying (105°C, 2 hrs.) | % | 1.5 Max. | IMS-WI-QC-003 |
| Bulk Density, Tapped (while Material Packed) | gm/Lit | 40.0 to 80.0 | |
| Iron Content (Fe+3) | ppm | 200 Max. | |
| Additional Parameters: | IMS-WI-QC-003 | ||
| Average Particle Size - D50 (By Malvern Instrument) | Microns | 5.0 Max. | |