2026-07-19 03:43 浏览次数 24
氟仿
put crude fluoform into distillation tower for distillation, obtain fluoform of purity 9 5% ~ 100%;
三氟甲烷粗品进入精馏塔,进行精馏,得到纯度95%~100%的三氟甲烷;