摘要
聚醚中钾、钠含量是其重要质量指标之一。国内外测定聚醚中钾、钠含量大都采用较复杂的灰化或萃取等前处理,费时较长。采用溶剂稀释试样的原子吸收法测定,方法简单且可靠。
One of the main quality index of polyether is the potassium and sodium contents. The determination of potassium and sodium contents almost all uses the complex ashing or pro—extraction method at our nation and abroad, which need longer time. If the method of atomic adsorption of solvent dilution is adopted, which will make the experiment simple and accuracy.
