|
Molecular formula:CH3CH(HO)COOH
Molecular weight:90.08
Appearance:Colorless transparent liquid
Quality index:
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PARAMETER
|
UNIT
|
STANDARD
|
TEST
|
|
Molecular weight
|
G/mol
|
90.8
|
90.08
|
|
Content
|
%wt
|
≥88
|
88.48
|
|
Density(@20°C)
|
G/ml
|
1.195-1.205
|
1.195-1.205
|
|
Colour(fresh solution)
|
APHA
|
≤50
|
5
|
|
Colour after heating(@200,2h)
|
APHA
|
≤50
|
35
|
|
Odour
|
-
|
Slightly acid
|
Slightly acid
|
|
Taste
|
-
|
Mild acid
|
Mild acid
|
|
Heavy metals(as Pb)
|
ppm
|
≤10
|
<10
|
|
Iron
|
ppm
|
≤10
|
<10
|
|
Calcium
|
ppm
|
≤10
|
<10
|
|
Chloride
|
ppm
|
≤10
|
<10
|
|
Sulphate
|
ppm
|
≤10
|
<10
|
|
Sulphated ash
|
%
|
≤0.05
|
<0.05
|
|
Cyanide
|
ppm
|
≤5
|
<5
|
|
Lead
|
ppm
|
≤5
|
<5
|
|
Arsenic
|
ppm
|
≤1
|
<1
|
|
Reducing substances(sugars)
|
-
|
Passes USP test
|
Passes USP test
|
|
Citric,oxalic,tartaric,phosphoric acids
|
-
|
Passes USP test
|
Passes USP test
|
|
Methanol and methyl esters
|
-
|
Not detectable
|
Not detectable
|
|
Volatile fatty acids
|
|
Passes EP test
|
Passes EP test
|
|
Readily carbonizable substances
|
-
|
Passes USP test
|
Passes USP test
|
|
Ether insoluble substances
|
|
Passes EP test
|
Passes EP test
|
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