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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 15.6C:

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.  
 

 

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