| Hydroxynaphthol blue indicator 25GM | |||
| 10787SG025 | 916754316IW | ||
| Indicator | 9167543 | ||
| 63451-35-4 | 97677 | ||
| C20H11N2Na3O11S3 | September 2023 | ||
| 620.48 | August 2028 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Dark blue powder. | Dark blue powder. |
| 2 | Solubility | Complies | Soluble in water. |
| 3 | Absorptivity(1%, 1cm, on dry basis) at 646 nm in pH 12.0 | 431 | Min. 300 |
| 4 | Loss on drying,105°C | 3.5% | 5.0% max |
| 5 | Suitability as metal ion indicator (for Ca) | Complies | Passes test |
Remarks: THE CAPTIONED BATCH MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF THE ABOVE SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |
Computer Generated Report - Does not require Signature.
