Neutral Spirits
There are no national standards, but each producer has their own specifications.
Grain Processing Corporation
"190-proof
pure ethyl alcohol", "10B190" and "10C190" grades.
Chemical and physical properties:
| Analytical methods | |||
| 1. | Ethyl alcohol, % by weight: |
92.42 min.
|
GPC: A-4 |
| 2. | Water, % by weight: |
7.58 max.
|
ASTM D 4928 |
| 3. | Proof at 60°F: |
190.0 min.
|
ASTM D 4052 |
| 4. | Specific
gravity at 60°F/60°F: |
0.8156 - 0.8160
|
ASTM D 4052 |
| 5. | Permanganate
time, minutes: |
50 min.
|
ASTM D 1363-88 |
| 6. | Non-volatile
matter, g/100 ml: |
0.0025
max. (25 ppm) |
ASTM D 1353 |
| 7. | Acidity,
g/100 ml as acetic acid: |
0.0014
max. (14 ppm) |
ASTM D 1613 |
| 8. | Odor: | Spirits quality | GPC: A-7 |
| 9. | Color, Pt-Co: | 5 max. | ASTM D 1209 |