检测项目Test Items |
指标要求Specification |
实测结果Testing Result |
|
含量Assay CH3OH (by GC) , ω / % |
99.9min |
99.99 |
|
密度Density(20℃) , ρ / (g/mL) |
0.791~0.793 |
0.793 |
|
蒸发残渣Residue on evaporation , ω / % |
0.0005 max |
0.0002 |
|
水分Water(by K-F) , ω / % |
0.05 max |
0.02 |
|
与水混合试验Solubility with H2O |
合格Pass test |
合格Pass test |
|
酸度Titrable Acid(H+) , (mmol/g) |
0.0004 max |
0.0002 |
|
碱度Titrable Base(OH-) , (mmol/g) |
0.00008 max |
未检出Not Detected |
|
吸光度 (1cm石英吸收 池水作对照) UV Absorbance (1cm cell vs. water) |
at 205 nm |
1.00 max |
0.816 |
at 210 nm |
0.60 max |
0.529 |
|
at 220 nm |
0.30 max |
0.235 |
|
at 230 nm |
0.15 max |
0.112 |
|
at 240 nm |
0.05 max |
0.041 |
|
at 254 nm |
0.01 max |
0.01 |
|
at 260 nm |
0.01 max |
0.009 |
|
农残检测(GC):所有峰 / (ng/L) Pesticide detection(GC): peak/ (ng/L) |
10 max |
合格Pass test |