The results showed that the method of triphenyl phosphite had many advantages, such as easiness of operation and high purity of the product.
研究表明，亚磷酸三苯酯法具有操作简便、所得产品纯度高等特点。
In this paper, an ion - exchange HPLC method for the separation and determination of phosphate and phosphite in waste water of electrodes plating of nickel had been built up.
本文报道一个测定镍电镀厂废水中磷酸盐、亚磷酸盐的离子色谱测定法。
A method for preparing dimethyl phosphite was developed from methanol and phosphorous trichloride.
研究了用三氯化磷和甲醇合成亚磷酸二甲酯的方法。
The structure, property, synthesize method, production and market at home and abroad, technological progress and their application in plastics processing of phosphite antioxidants were reviewed.
综述了亚磷酸酯抗氧剂的结构、性能、合成方法、国内外生产与需求、研究进展及在塑料加工中的使用效果。
The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved.
对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
The construction characteristics of calcium phosphite were measured with Y-4Q system X-ray diffraction apparatus and the thermal analysis method in this paper.
本文采用热分析和x衍射方法研究了亚磷酸氢钙的结构特性，获得了亚磷酸氢钙结晶水合物的热分解特性和有关热分析数据；
The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;
本发明涉及一种烷烃基膦酸制备方法，包括下列步骤：（1）碱金属与亚磷 酸酯反应，得到亚磷酸酯盐；
The invention relates to a method for preparing alkyl phosphonic acid, which comprises the following steps: (1) an alkali metal reacts with phosphite ester to obtain phosphite ester;
本发明涉及一种烷烃基膦酸制备方法，包括下列步骤：（1）碱金属与亚磷 酸酯反应，得到亚磷酸酯盐；
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