Alcohol Specifications

India

 

Indian Standard 321 of 1964

Requirements for Absolute (Anhydrous) Alcohol

 
Special Grade
Grade 1
Grade 2

Test method
*

1. Ethanol content, percent by volume at 15.6°C:
99.50
99.50
99.50
C**
2. Miscibility with water:
Miscible
Miscible
Miscible
D
3. Alkalinity:
Nil
Nil
Nil
E
4. Acidity, as acetic acid, percent by weight, maximum:
0.006
(60 ppm)
0.006
(60 ppm)
0.006
(60 ppm)
E
5. Residue on evaporation, percent by weight, maximum:
0.005
(50 ppm)
0.005
(50 ppm)
0.005
(50 ppm)
F
6. Aldehydes, as acetaldehyde, g/100 ml, maximum:
0.10
(1000 ppm)
0.006
(60 ppm)
0.10
(1000 ppm)
G
7. Esters, as ethyl acetate, g/100 ml, maximum:
0.02
(200 ppm)
-
-
H
8. Copper, as Cu, g/100 ml, maximum:
-
0.0004
(4 ppm)
-
J
9. Lead, as Pb, g/100 ml, maximum:
-
0.0001
(1 ppm)
-
K
10. Methyl alcohol:
-
To satisfy test.
-
L
11. Fusel oil:
-
To satisfy test.
-
M
12. Ketones, isoproply alcohol and tertiary butyl alcohol:
-
To satisfy test.
-
A***
13. Total sulphur and sulphur compounds, as S, percent by weight, maximum:
0.001
(10 ppm)
-
-
P
14. Sulphur dioxide, as SO2, percent by weight, maximum:
0.0005
(0.5 ppm)
-
-
Q

* For test methods, reference should be made to the appendix of the Indian Standard 323 of 1959 for rectified spirit, (with the exception of item marked ***, as noted below).

** Test method C should be used, with the modification that Table II in Apendix B of this standard should be used in place of Table IV of Indian Standard 323 of 1959.

*** Reference should be made to test method A in the Appendix of this standard.

Please note: The figures in parentheses for parts per million (ppm) do not appear in the original standard, but have been added here to facilitate comparison with standards of other countries.


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