|
ITEMS |
SPECIFICATIONS |
TEST RESULT |
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|
First class grade |
superior grade |
Regular grade |
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|
Sensory Index |
Appearance |
Colorless clear liquid |
Qualified |
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|
Odour |
Inherent odor of Ethanol, no abnormal odour |
No abnormal odour |
No abnormal odour |
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|
Taste |
Pure slightly sweet |
Pure slightly sweet |
Relatively pure |
Pure, slightly sweet |
|
|
Physicochemical Indexes |
Colour (Pt-Co Scale) H.U |
10 max |
10 |
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|
Alcohol Content (%vol) |
96.0 min |
95.5 min |
95.0 min |
95.6 |
|
|
Nitric acid test color (Pt-Co Scale) |
10 max |
60 max |
9 |
||
|
Oxidation time/min |
40 |
30 |
20 |
37 |
|
|
Aldehyde (acetaldehyde)/mg/L |
1 max |
2 max |
30 max |
0.9 |
|
|
Methanol/mg/L |
2 max |
50 max |
150 max |
7 |
|
|
N-propyl alcohol/mg/L |
2 max |
15 max |
100 max |
3 |
|
|
Isobutanol + Iso-amyl alcohol/mg/L |
1 max |
2 max |
30 max |
/ |
|
|
Acid (As acetic acid)/mg/L |
7 max |
10 max |
20 max |
6 |
|
|
Cyanide as HCN/mg/L |
5 max |
1 |
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|
|
CONCLUSION |
QUALIFIED WITH superior grade (GB10343-2008 & GB31640-2016) |
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