Grade |
I |
II |
III |
Appearance |
colourless liquid |
Odor |
Mild pleasant whiskey-like odor |
Physical and Chemical Properties |
Item |
Unit |
I |
II |
III |
Colour |
APHA |
5 |
10 |
10 |
Content |
%(V/V) |
96.0 |
95.5 |
95.0 |
Sulfuric acid Test |
APHA |
5 |
10 |
60 |
Oxidation Time |
Min. |
40 |
30 |
16 |
Aldehyde (As Acetaldehyde) |
mg/L |
1 |
3 |
6 |
Methyl alcohol |
mg/L |
2 |
50 |
150 |
1-Propanol |
mg/L |
2 |
35 |
100 |
Isobutyl alcohol+Isopentyl alcohol |
mg/L |
1 |
2 |
30 |
Acid (As Acetic acid) |
mg/L |
7 |
10 |
20 |
Ester ( Acetic acid ethyl ester) |
mg/L |
10 |
18 |
25 |
Involatile substance |
mg/L |
10 |
20 |
25 |
Heavey metal (As Pb) |
mg/L |
1 |
Cyanide(As HCN0 |
mg/L |
5* |
*: the raw materical is Tapioca |