Distilled and Rectified Alcohol
|
Specification |
Distilled Alcohol |
Rectified Alcohol |
|
| 1. | Alcoholic strength | 95.8°GL | 96.3°GL |
| 2. | Dry extract | < 3.0 p.p.m | < 2.0 p.p.m |
| 3. | Total acidity | < 2.0 p.p.m | < 2.0 p.p.m |
| 4. | Acetaldehyde | < 3.0 p.p.m | < 3.0 p.p.m |
| 5. | Diacetyl | < 0.5 p.p.m | < 0.5 p.p.m |
| 6. | Methanol | < 25.0 p.p.m | < 20.0 p.p.m |
| 7. | Esters | < 3.0 p.p.m | < 1.0 p.p.m |
| 8. | Higher alcohols | < 1.0 p.p.m | absent |
| 9. | Furfural | absent | absent |
| 10. | Permanganate time at 15°C | 40 minutes | 40 minutes |
| 11. | Appearance | Clear and colorless, both before and after dilution in distilled water | Clear and colorless, both before and after dilution in distilled water |
| 12. | Odor | neutral | neutral |
| 13. | UV absorbance - 220nm | < 0.30 | < 0.25 |
| 14. | UV absorbance - 230nm | < 0.18 | < 0.16 |
| 15. | UV absorbance - 240nm | < 0.08 | < 0.06 |
| 16. | UV absorbance - 270nm | < 0.02 | < 0.02 |