Medical-grade Polyvinyl chloride is adopted and stainless steel wire is wound up inside the catheter.
采用医用级聚氯乙烯塑料、管壁中内绕不锈钢丝制成.
Objective: A new method was established for determination of di ( 2-ethylhexyl) adipate ( DEHA) in polyvinyl chloride ( PVC) cling films by solution/ precipitation techniques and gas chromatography.
目的:研究开发了溶解沉淀前处理技术结合毛细管气相色谱法测定聚氯乙烯食品保鲜膜中己二酸二(2-乙基)己酯(DEHA)含量。
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