The cleaning methods of VK-tube with solvents of TEG, EG as well as CPL, HAc and demineralized water were introduced.

• 介绍了用三甘醇(TEG)、乙二醇(EG)和己内酰胺(CPL)、醋酸(HAc)与脱盐水作溶剂来清洗VK管的方法,并进行了比较。