Research Article
The Research and Mechanism of Extracting Vitamin B6 Using Aqueous Two-Phase Systems
Table 1
The sources and purities of chemicals used in the study.
| | Chemical name | CAS number | Molar mass (g/mol) | Supplier | Mass fraction purity | Water content (mg·kg−1) |
| | Sodium carbonate | 497-19-8 | 105.99 | Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China) | 0.995 | 101 ± 15 | | Sodium sulfate | 7757-82-6 | 142.04 | Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China) | 0.995 | 83 ± 20 | | Ethanol | 64-17-5 | 46.07 | Sinopharm Chemical Reagent Co., Ltd. (Shanghai, China) | 0.995 | 60 ± 26 | | Polyethylene glycol | 25322-68-3 | 1000 | Tianjin Baishi Chemical Co., Ltd. (Tianjin, China) | 0.995 | 88 ± 15 | | Isopropyl alcohol | 67-63-0 | 60.10 | Tianjin Fuyu Fine Chemical Co., Ltd. (Tianjin, China) | 0.995 | 92 ± 24 |
|
|
