产品详情
明星产品,色谱纯正己烷 Hexanes (95% n-hexane), HPLC 4L
Formula Weight: 86.18 CAS
Number ：110-54-3
For use in Liquid Chromatography (HPLC
& UHPLC) & Spectrophotometry
Product Specifications
| TEST | SPECIFICATION |
| For Laboratory,Research,or Manufacturing Use | |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - 350 nm | <= 0.005 |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - 280 nm | <= 0.005 |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - 254 nm | <= 0.008 |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - 220 nm | <= 0.08 |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - 210 nm | <= 0.2 |
| Ultraviolet Absorbance (1.00-cm cell vs. water) - UV Cut-off, nm | <= 192 |
| Fluorescence Trace Impurities, measured as Quinine Base - at 450 nm Emission | <= 0.3 ppb |
| Fluorescence Trace Impurities, measured as Quinine Base - at Emission Maximum for Impurities | <= 1.0 ppb |
| Assay (Total Saturated C? Isomers) (by GC, corrected for water) | >= 99.5 % |
| Assay (as n-Hexane) (by GC, corrected for water) | >= 95.0 % |
| Residue after Evaporation | <= 2.0 ppm |
| Substances Darkened by H?SO? | Passes Test |
| Water (by KF, coulometric) | <= 0.01 % |
| Filtered through a 0.2 micron filter. | |
| Packaged under Nitrogen. | |
