Item No.: 8001GG1000
Product Name: 1L HPLC Gradient Grade Methanol
Test Items
|
Specification
|
Assay CH3OH (by GC) , ω / %
|
99.90 min
|
Density (20℃) , ρ / (g/mL)
|
0.791~0.793
|
Solubility in H2O
|
Pass test
|
Residue on evaporation , ω / %
|
0.0002 max
|
Water H2O (by K-F) , ω / %
|
0.05 max
|
Titrable Acid(H+) , b / (mmol/g)
|
0.0003 max
|
Titrable Base(OH-) , b / (mmol/g)
|
0.00008 max
|
UV Absorbance
(1cm cell vs. water)
|
at 205 nm
|
1.00 max
|
at 210 nm
|
0.60 max
|
at 220 nm
|
0.30 max
|
at 230 nm
|
0.15 max
|
at 240 nm
|
0.05 max
|
at 254 nm
|
0.01 max
|
at 260 nm
|
0.01 max
|
Gradient Elution Test at 254nm / (mAU)
|
5 max
|