摘要
叙述了从胶片中析出金属离子的方法 ,给出了分析实验的步骤 ,指出了衬里胶中析出的钙、镁及铁金属离子含量符合要求。
The method of separating metal ion from rubber was accounted. The steps of analysis test were given, It pointed out that contents of calcium, magnesium, iron metal ion were up to the standard.
