You can also use of m-xylene, ethanol and propylalcohol (mixtrue for the three types of solvent with a 1/3 proportioner, using a single good solvent is better than mixtrue).

• 也可用二甲苯、乙醇和异丙醇搀和溶剂来浓缩（不一栽溶剂各以1/3比例搀和，搁置简单溶剂不如搀和溶剂好）。