Item No.: 8001UL4000
Product Name: 4L UHPLC Grade Methanol
Test Items
|
Units
|
Specifications
|
Assay CH3OH(GC)
|
%
|
≥99.99
|
Density(20℃)
|
g/mL
|
0.791~0.793
|
Solubility with H2O
|
|
Pass test
|
Residue on evaporation
|
%
|
≤0.0001
|
Water
|
%
|
≤0.03
|
Acidity(as H+)
|
mmol/g
|
≤0.0002
|
Alkalinity(as OH-)
|
mmol/g
|
≤0.0001
|
Absorbance at 205 nm
|
Abs.Units
|
≤1.0
|
Absorbance at 210 nm
|
Abs.Units
|
≤0.60
|
Absorbance at 220 nm
|
Abs.Units
|
≤0.20
|
Absorbance at 230 nm
|
Abs.Units
|
≤0.10
|
Absorbance at 250 nm
|
Abs.Units
|
≤0.02
|
Absorbance at 400nm
|
Abs.Units
|
≤0.005
|
254nm Gradient Elution Test
|
mAU
|
≤2
|
235nm Gradient Elution Test
|
mAU
|
≤2
|
Fluorescence impurity at 254 nm
|
ppb
|
≤1.0
|
Fluorescence impurity at 365 nm
|
ppb
|
≤1.0
|