phosphite

The synthesis of monomethyl hydrazine was investigated with dimethyl phosphite as methylating agent.

以亚磷酸二甲酯为甲基化试剂,一步合成了单取代的一甲基肼.

互联网摘选

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。

互联网摘选

a new method for the detoxication of cottonseed meal synthesis of dimethyl phosphite in solvent

棉籽粕去毒新法溶剂法合成亚磷酸二甲酯

互联网摘选

The synthesizing of dimethyl methyl phosphonic acid ester with trimethyl phosphite was catalyzed by methyl alkylbenzenesulfonate.

报道了以烷基苯磺酸甲酯催化异构亚磷酸三甲酯合成甲基膦酸二甲酯.

互联网摘选

The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

通过添加适量四丁基溴化铵为相转移催化剂，使用过量的亚磷酸二异丙酯以补偿其在强碱环境中的水解，从而提高了反应产率。

互联网摘选

In the experiment, calcium acetate is used as the precipitator of phosphite ion and sulfate ion, and the residual calcium is removed with sodium fluoride due to the low solubility constant of calcium fluoride.

本实验选用乙酸钙作为亚磷酸根、硫酸根沉淀剂，利用氟化钙溶度积常数小的特点，余钙用氟化钠去除。

互联网摘选

improvements of titrimetric method for determination of dimethyl phosphite content

滴定法测定亚磷酸二甲酯含量的改进

互联网摘选

Synthesis of Phosphite Ester and Phosphoramide Containing Azido Groups

叠氮亚磷酸酯及叠氮磷酰胺的合成

互联网摘选

Diethyl phosphite was continuously synthesized from phosphorus trichloride and anhydrous alcohol without any solvent in a special glass apparatus.

在特制的玻璃仪器内，三氯化磷与无水乙醇于无溶剂的条件下连续合成了亚磷酸二乙酯。

互联网摘选

in the process of dimethyl phosphite synthesis, the synthesis reactor occupies the core, and the parameters of operation concern the reliability and stability of the reactor.

合成反应器占据整个工艺的核心地位，操作参数则直接关系到反应器的可靠性与稳定性。

互联网摘选

Diisopropyl phosphite was directly synthesized from phosphorus trichloride and isopropanol by using the solvent method.

以三氯化磷与异丙醇为原料,用溶剂法合成了标题化合物.

互联网摘选

The results showed that the catalyst combined with diethyl phosphite ( DEP) exhibited the highest activity in isoprene polymerization in hexane at relatively high temperature ( 50 ℃).

结果表明，以亚磷酸二乙酯（DEP）为第三组分的催化体系，在己烷中于相对较高温度（50℃）下的催化活性最高。

互联网摘选

The results showed that tribasic lead sulfate, dibasic lead phosphite, lead stearate and citric acid were the fast secondary blowing agents and had a stronger activating effect on blowing agent AC;

结果表明，三盐基硫酸铅、二盐基亚磷酸铅、硬脂酸铅和柠檬酸对发泡剂AC都有较强的活化作用，属于加速型发泡助剂；

互联网摘选

Synthesis Process of Diethyl Phosphite in the Absence of Organic Solvent

无溶剂法合成亚磷酸二乙酯

互联网摘选

Glycine dimethyl phosphoric acid ( GDMP) has been synthesized with glycine, formaldehyde and diethyl phosphite as main raw materials.

以甘氨酸、甲醛、亚磷酸二乙酯为主要原料，合成甘氨酸二亚甲基膦酸（GDMP）。

互联网摘选

It has shown that the antirust properties of calcium phosphite coatings are similar to the red lead antirusting coatings and superior to the zinc chromate or zinc phosphate antirusting coatings.

试验结果表明，亚磷酸钙涂料的防锈性能与红丹防锈涂料相当，优于锌铬黄、磷酸锌防锈涂料。

互联网摘选

Oxidronate was prepared from triisopropyl phosphite by diphosphonation, chlorination, pyrolysis and reduction with 32 % overall yield.

以亚磷酸三异丙酯为原料,经膦酸化 、 氯化 、 热解、还原等反应合成奥昔膦酸盐,总收率为32%.

互联网摘选

Triisodecyl phosphite ester is synthesized with isodecyl alcohol and PCl _ 3 by using the direct esterification method.

由异癸醇和三氯化磷反应制得亚磷酸三异癸酯.

互联网摘选

Determination of Phosphite Content in Zinc Phosphite by Potassium Bichromate Method

重铬酸钾法测定防锈颜料亚磷酸锌中的亚磷酸根

互联网摘选

The process of recovering methyl chloride from the tail gas of dimethyl phosphite was introduced.

本文介绍了从亚磷酸二甲酯生产尾气中回收氯甲烷的工艺.

互联网摘选

this method has been applied successfully for the determination of dimethyl phosphite content and acidity in synthetic samples.

该法用于测定合成样品中亚磷酸二甲酯的含量和酸度，结果满意。

互联网摘选

Dibenzyl phosphite was synthesized by benzyl alcohol and trichlorophosphorous in the presence of pyridine.

以苯甲醇和三氯化磷为原料,在吡啶存在下合成了二苄基亚磷酸酯.

互联网摘选

a continuous process of tail gas recovery in producing glyphosate with dimethyl phosphite

烷基酯法草甘膦尾气的连续回收工艺

互联网摘选

studies on the reaction of chloride polyether polyol with dimethyl phosphite

氯代聚醚多元醇与亚膦酸二甲酯钠盐反应的研究

互联网摘选

dimethyl phosphite is an important chemical intermediate, which has widespread availability in chemical industry.

亚磷酸二甲酯是一种重要的化工中间体，有着广泛的应用。

互联网摘选

Triisopropyl phosphite was synthesized and isopropanol using pyridine as an organic base.

采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯.

互联网摘选

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.

网络文摘精选

Its anticorrosive property is much better than zinc phosphite, zinc phosphate and red lead.

它们的防锈性能超过了亚磷酸锌、磷酸锌, 甚至超过铅丹.

互联网摘选

a separation and recovery process of tail gases in producing dimethyl phosphite

亚磷酸二甲酯尾气的分离回收工艺

互联网摘选

the process of recovering hydrogen chloride from the tail gas of dimethyl phosphite

亚磷酸二甲酯尾气中氯化氢的连续回收工艺

互联网摘选