Certificate of Analysis and technical specification for Ferroin Indicator (Phenanthroline Ferrous Sulfate) — CAS 14634-91-4. Applies to all consignments of this product and grade.
| Product Name | Ferroin Indicator (Phenanthroline Ferrous Sulfate) |
|---|---|
| C.A.S. Number | 14634-91-4 |
| Product Category | Laboratory & Analytical Reagents |
| Product Group | Metal Titration Indicators |
| Grade / Standard | 0.025 M solution |
| Physical Form | Deep red solution |
| 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 | Deep red solution | Complies | Visual |
| 2 | Identification | Conforms to the structure of the substance | Complies | FTIR / Chemical test |
| 3 | Matter Insoluble in Water | Not more than 0.01 % w/w | 0.0017 | Gravimetry |
| 4 | pH (5 % aqueous solution) | As per specification | 8.9 | Potentiometry |
| 5 | Chloride (Cl) | Not more than 0.001 % | 0.00024 | Turbidimetry |
| 6 | Sulphate (SO4) | Not more than 0.002 % | 0.00098 | Turbidimetry |
| 7 | Iron (Fe) | Not more than 5 ppm | 1.21 ppm | ICP-OES |
| 8 | Heavy Metals (as Pb) | Not more than 5 ppm | Less than 2 ppm | ICP-OES |
This document sets out the standard specification for Ferroin Indicator (Phenanthroline Ferrous Sulfate) 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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