Bundesmonopolverwaltung fuer Branntwein ("BFB")
Specifications for Neutral
Spirits
(a) Grade 410, Neutral Spirit ("Primasprit")
(b) Grade 430, Extra-Neutral Spirit ("Extrafein Filtriert")
(c) Grade 510, Anhydrous/Absolute Spirit ("Entwaessert")
Characteristic | Grade 410 Neutral (Primasprit) |
Grade 430 Extra Neutral (Extrafein) |
Grade 510 |
|
1. | Alcohol
content at 20°C, in percent by volume, minimum |
96.0 | 96.0 | 99.8 |
2. | Appearance, odor and taste | Colorless, clear and neutral | ||
3. | Ultraviolet
absorption, maximum, at 220 nm at 230 nm at 240 nm at 270 nm |
0.3 0.18 0.08 0.02 |
0.3 0.18 0.08 0.02 |
0.3 0.18 0.02 0.02 |
4. | Permanganate
time, in minutes, minimum |
18 | 22 | 18 |
5. | Fusels, in mg/100 ml, maximum |
0.4 (4 p.p.m) | 0.2 (2 p.p.m) | 0.4 (4 p.p.m) |
6. | Furfural presence | Negative | Negative | Negative |
7. | Aldehydes, as
acetaldehyde, in mg/100 ml, maximum |
0.4 (4 p.p.m) | 0.2 (2 p.p.m) | 0.4 (4 p.p.m) |
8. | Esters, as
ethyl acetate in mg/100 ml, maximum |
0.2 (2 p.p.m) | 0.2 (2 p.p.m) | 0.2 (2 p.p.m) |
9. | Total acids,
as acetic acid, in mg/100 ml, maximum |
0.5 (5 p.p.m) | 0.3 (3 p.p.m) | 0.5 (5 p.p.m) |
10. | Volatile
nitrogenous compounds, as N, in mg/100 ml, maximum |
0.1 (1 p.p.m) | 0.1 (1 p.p.m) | 0.1 (1 p.p.m) |
11. | Methanol, in mg/100 ml, maximum |
15 (150 p.p.m) | 10 (100 p.p.m) | 1 (10 p.p.m) |
12. | Non-volatile
residue after evaporation, in mg/100 ml, maximum |
1.5 (15 p.p.m) | 1.5 (15 p.p.m) | 1.5 (15 p.p.m) |
13. | Ash, in mg/100 ml, maximum |
0.3 (3 p.p.m) | 0.3 (3 p.p.m) | 0.3 (3 p.p.m) |
14. | Water
entrainer, (benzene, etc.) in mg/100 ml, maximum |
__ | __ | 0.1 (1 p.p.m) |
Note:
The figures for parts per million (p.p.m), which appear in parentheses, are not
contained in the original BFB specification, but have been added to facilitate
comparisons with other specifications.