北京捷特澳科贸有限公司
- 联系人 :
- 地址 : 海淀区
- 邮编 :
- 所在区域 : 北京
- 电话 : 135***6790
- 传真 : 021-58952911
- 邮箱 : hefang@jtochem.com
| Assay (CH3OH) (by GC, corrected for water) |
min. 99.8 % |
| Ultraviolet Absorbance (1.00-cm cell vs. water): | |
| 400-254 nm | max. 0.01 |
| 225 nm | max. 0.15 |
| UV Cut-off, nm | max. 205 |
| Gradient Elution Test (a.u.): | |
| 254 nm | max. 0.002 |
| Fluorescence Trace Impurities, in ppb, measured as Quinine Base: | |
| at 450 nm Emission | max. 0.3 |
| at Emission Maximum for Impurities | max. 1.0 |
| Acetone | max. 0.001 % |
| Residue after Evaporation | max. 1 ppm |
| Titrable Acid (µeq/g) | max. 0.3 |
| Titrable Base (µeq/g) | max. 0.1 |
| Water (by KF, coulometric) | max. 0.05 % |
| For Laboratory, Research or Manufacturing Use | |