Another pretreating method was that the sample was dissolved in nitric acid and perchloric acid. It proved that the method was simple and convenient with accurate results.
介绍了用硝酸及高氯酸处理试样后进行铁、铜含量的测定分析，方法简便，回收率高，分析结果令人满意。
A pretreating method for waste nylon 6 short fiber was proposed to improve the adhesion between short fiber and waste PP matrix and the dispersion of short fiber in matrix.
出一种废尼龙6短纤维预处理方法。采用这种方法能提高短纤维与废pp基质的粘合性能并改善短纤维在基质中的分散。
Compared with common sample pretreating method of organic solvent extraction, this method showed the advantages of simple procedure, very little loss of analyzed sample, rapidity and sensitivity.
相比目前常用的有机溶剂萃取的样品处理方法，该方法显示了步骤简单、待分析物损失量小和快速灵敏的优点。
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