1.The purpose of the glacial acetic acid: the purpose of the acetic acid is mainly used for preparation of vinegar anhydride, vinyl acetate, acetic ester, metal acetic acid salt, chloroacetic acid, cellulose acetate, etc., used in the production of ethyl acetate, edible spices, wine with spices used as analytical reagent, such as solvent and soaker, used in dyeing industry
2.Glacial acetic acid content in the specification: 99%,99.5%,99.8%
3.Various levels of glacial acetic acid technical indicators:
project
Classy article
Grade a
Glacial acetic acid content% ≥
99.8
99.5
chroma(hazen)≤
10
20
The mass fraction of water% ≤
0.15
0.2
The mass fraction of formic acid
0.05
0.1
% ≤
The mass fraction of
0.03
0.05
acetaldehyde% ≤
iron% ≤
0.00004
0.0002
The mass fraction of evaporation residue% ≤
0.01
0.02
Potassium permanganate time/MIN
30
5
Execution standard
GB/T1628-2008
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