Objective:To determine residual di-paraxylylene in parylene film coated rubber closure by HPLC.

目的：用高效液相色谱法测定聚对二甲苯覆膜胶塞中残留二聚对二甲苯的含量。

Objective : To determine residual di - paraxylylene in parylene film coated rubber closure by HPLC.

目的: 用高效液相色谱法测定聚对二甲苯覆膜胶塞中残留二聚对二甲苯的含量.