Research Article
The Research and Mechanism of Extracting Vitamin B6 Using Aqueous Two-Phase Systems
Figure 1
The binodal curves of the quaternary system polyethylene glycol + ethanol + Na2SO4 + water determined at T = 308.15, 318.15, and 328.15 K; □ 308.15 K; ● 318.15 K; △ 328.15 K.