色譜乙腈相對其他試劑的特點:
色譜乙腈技術參數:
雅源科技提供色譜乙腈技術參數: | |
400-254 nm | max. 0.005 |
220 nm | max. 0.01 |
200 nm | max. 0.05 |
UV Cut-off, nm | max. 190 |
Gradient Elution Test (a.u.): | |
254 nm | max. 0.005 |
210 nm | max. 0.005 |
Density (g/mL) at 25°C | 0.775 - 0.780 |
Fluorescence Trace Impurities, in ppb, measured as quinine Base: | |
at 450 nm Emission | max. 0.3 |
at Emission Maximum for Impurities | max. 1.0 |
Assay (CH3CN) (by GC, corrected for water) | min. 99.9 % |
Appearance | Passes Test |
Color (APHA) | max. 10 |
Residue after Evaporation | max. 1 ppm |
Titrable Acid (µeq/g) | max. 0.8 |
Titrable Base (µeq/g) | max. 0.6 |
Water (by KF, coulometric) | max. 100 ppm |
Carbonyl Compounds (as Acetone) | max. 25 ppb |
For Laboratory, Research or Manufacturing Use |
分類
scharlau色譜乙腈分為梯度、等度兩個級別。等度級用於一般色譜分析,梯度級用於更高要求色譜分析。中檢華傑(北京)色譜技術有限公司為您提供更多色譜產品。