Chemical
Products
Sodium Picramate used as Acid Dyes Intermediates, Leather Dyes Intermediates, Intermediate for Brown 75 & Primary controlled Explosive.
Parameters | Specifications | Method of Analysis |
---|---|---|
Appearance | Moist Powder | Visual |
Colour | Red to Brown | Visual |
Sodium Picramate (Amino Content) | 65-75% | Titration with NaNO2 |
Sodium Picramate on Dry Basis (Amino Content) | Min. 86% | Titration with NaNO2 |
Sodium Picramate by HPLC | Min. 99% | By T.L.C. (Visual Comparison) |
Picric Acid Content | Less than 0.5% | By T. L. C. |
pH of 1% Solution | 7 to 9 | By pH Meter |
Moisture Content | 25-35% | L. O. D. |
Water Insoluble’s | Less than 0.1% | Gravimetric |
Acid Insoluble Matter | Less than 0.2% | Gravimetric |
Alkali Insoluble Matter | Less than 0.1% | Gravimetric |
MIBK Insoluble | Less than 0.25% | Gravimetric |
MIBK Filtration Time | Not more than 2.0 Min. | Actual |