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。
