3) crystallization purification
结晶提纯
1.
After crystallization purification, the crystallinity of the product was better and the granularity was larger, the purity of the product was up to 99% and the yield up to 90%, the content of the main impurity hexachlorobenzene was less than 20 mg/L.
考察了四氯间苯二腈在不同溶剂中的结晶提纯效果,选择了乙醇和间二甲苯质量比为7∶3的复合溶剂作为结晶提纯溶剂。
4) crystallographic refinement
晶体学提纯
5) crystal and recrystal
结晶重结晶
6) crystallized abstract
结晶分提
补充资料：重结晶(重ｃｈóｎｇ)
先用溶剂(或不用溶剂)溶解(或熔解)晶体，再将晶体从溶液(或熔体)中结晶出来的一种过程。主要用以提纯物质。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条