Global-Village Superfine Alcohol & Spirits Co. Ltd.
Specifications for Grain Neutral Spirits
| Parameter | Specification | Test method | |
| 1. | Ethyl alcohol, v/v % | 96.4 % minimum | Hydrometry |
| 2. | Odor and taste | Characteristic | Organoleptic evaluation |
| 3. | Appearance and color | Clear and bright | USP method |
| 4. | Acidity (as acetic acid) | 1 p.p.m maximum | PRC standard |
| 5. | Aldehydes (as acetaldehyde) | 1 p.p.m maximum | G.C. method |
| 6. | Esters (as ethyl acetate) | 1 p.p.m maximum | G.C. method |
| 7. | Methanol | 5 p.p.m maximum | G.C. method |
| 8. | Fusel oil (as
isoamyl-alcohol+ isobutanol+ N-propanol) |
1 p.p.m maximum | G.C. method |
| 9. | Permanganate time | 35 min. minimum | USP method |
| 10. | Non-volatile matter | 15 p.p.m maximum | PRC standard |
| 11. | Sulfuric acid test | 10 maximum | PRC standard |
| 12. | Heavy metals | Non detectable | USP method |