The distribution coefficient D indicated: Ethyl acetate was the most suitable extractant for CGA s purification.
萃取分配系数D测定结果表明， 醋酸乙酯是纯化绿原酸的适用溶剂。
2
Compared with the traditional air purification filter core, the utility model has the advantages of appropriate wind-resistance coefficient, stable efficiency, light weight, low cost, and so on.