1) 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) crystallized abstract
结晶分提
6) Xylitol recovery
提取结晶
补充资料：二次再结晶(见再结晶晶粒长大)
二次再结晶(见再结晶晶粒长大)
secondary recrystallization
erCI 201」le」Ing二次再结晶(seeondary reerystallization) 见再结晶晶杠长大。
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