|
ITEM
|
Standard
|
||
|
Best-Grade
|
First-Grade
|
Qualified
|
|
|
Chromaticity(In Hazen)(Pt-Co), ≤
|
10
|
20
|
30
|
|
Acetic Acid Content, ％≥
|
99.8
|
99
|
98
|
|
Moisture, ％≤
|
0.15
|
-
|
-
|
|
Formic Acid Content, ％≤
|
0.06
|
0.15
|
0.35
|
|
Aldehyde Content, ％≤
|
0.05
|
0.05
|
0.1
|
|
Vaporized Residue, ％≤
|
0.01
|
0.02
|
0.03
|
|
Iron Content (Based On Fe), ％≤
|
0.00004
|
0.0002
|
0.0004
|
|
Reduction Time Of Potassium Permanganate, Min≥
|
30
|
5
|
|
