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| INDIGO BLUE - SPECIFICATION |
| ROHA DYECHEM LTD. 42, M.I.D.C, ROHA AUDYOGIK VASAHAT, ROHA-402 116 |
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| Code No - I12 | Revision No - 00 |
| Name - INDIGO BLUE | Serial No - FGS/P/109 |
| Effective Date - 17/01/2000 | |
| No. | Characteristic | Requirement |
| Description | FINE, BROWN POWDER | |
| 1) | CHEMICAL NAME | VAT BLUE |
| 2) | MOLECULAR WEIGHT | 262.26 |
| 3) | PHYSICAL APPEARANCE | DARK BLUE POWDER |
| 4) | ASSAY, MIN | 92.00 |
| 5) | MOISTURE, MAX | 04.00 |
| 6) | pH | 6-10 |
| 7) | WATER INSOLUBLE, MAX (AFTER END PRODUCT) | 0.30 |
| 8) | LEAD, MAX | 10.00 PPM |
| 9) | ARSENIC, MAX | 1.00 PPM |
Issued by Quality Assurance Department
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