Certificate of Analysis and technical specification for Chromium Sulphate Basic — CAS 10101-53-8. Applies to all consignments of this product and grade.
| Product Name | Chromium Sulphate Basic |
|---|---|
| C.A.S. Number | 10101-53-8 |
| Product Category | Inorganic Salts & Compounds |
| Product Group | Chromium Compounds |
| Grade / Standard | ≥98% Technical |
| Physical Form | Green powder |
| Country of Origin | India |
| Packing | Standard export packing — bags, drums, carboys, IBC or ISO tank as applicable |
| Storage | Cool, dry, well-ventilated place in tightly closed original packing |
| S. No. | Test Parameter | Specification | Typical Result | Method |
|---|---|---|---|---|
| 1 | Description | Green powder | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Solubility | As per specification | Complies | Visual / Monograph |
| 4 | Assay | Not less than 98.0 % w/w | 98.34 | Titrimetry / Instrumental |
| 5 | Matter Insoluble in Water | Not more than 0.05 % w/w | 0.020 | Gravimetry |
| 6 | pH (5 % w/v aqueous solution) | As per specification | 5.7 | Potentiometry |
| 7 | Chloride (as Cl) | Not more than 0.01 % w/w | 0.0029 | Turbidimetry / IC |
| 8 | Sulphate (as SO4) | Not more than 0.02 % w/w | 0.0042 | Turbidimetry / IC |
| 9 | Iron (as Fe) | Not more than 20 ppm | 1.8 ppm | ICP-OES / AAS |
| 10 | Heavy Metals (as Pb) | Not more than 10 ppm | Less than 5 ppm | ICP-OES |
| 11 | Moisture | Not more than 1.0 % w/w | 0.15 | Karl Fischer / Gravimetry |
This document sets out the standard specification for Chromium Sulphate Basic and applies to all consignments of this grade. It is not a lot-specific release document; a lot-specific certificate carrying the analysis of the material actually shipped is issued with each consignment. Scapex Exports supplies against customer-specified assay limits and pharmacopoeial standards — send your specification sheet and we will confirm compliance before order.
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