Methanol
Specifications: 500ML, 1L, 2.5L, 4L
Catalog Name: MA1921
Chemical formula: CH3OH
CAS:67-56-1
Index
Assay(By GC-FID) |
≥99.98% |
Residue after evaporation |
≤1 ppm |
Color |
≤5 APHA |
Maximum fluorescence emission of impurities (calculated as quinine sulfate) |
≤1 ppb |
LC gradient elution suitability at |
|
254 nm |
≤5 mAU |
GC-ECD Responsive residue (single peak) (as Heptachlorepoxide) |
≤5 ppt |
GC-FID Responsive residue(single peak)(as 2-Octanol) |
≤5 ppb |
Water(by KF coulometry) |
≤0.05% |
Optical absorbance at |
|
205 nm |
≤1.00 AU |
220 nm |
≤0.25 AU |
230 nm |
≤0.12 AU |
240 nm |
≤0.05 AU |
254 nm |
≤0.01 AU |
280 nm |
≤0.005 AU |
400 nm |
≤0.005 AU |
(Al) |
≤0.5 ppm |
(Ba) |
≤0.1 ppm |
(Cd) |
≤0.5 ppm |
(Ca) |
≤0.1 ppm |
(Cr) |
≤0.02 ppm |
(Co) |
≤0.02 ppm |
(Cu) |
≤0.01 ppm |
(Fe) |
≤0.1 ppm |
(Pb) |
≤0.02 ppm |
(Mg) |
≤0.1 ppm |
(Mn) |
≤0.01 ppm |
(Ni) |
≤0.02 ppm |
(K) |
≤0.1 ppm |
(Ag) |
≤0.1 ppm |
(Na) |
≤0.1 ppm |
(Sn) |
≤0.1 ppm |
(Zn) |
≤0.1 ppm |