The presence of a weak base (pyridine, lutidine, or collidine ) oxidizes the phosphite triester into a tetracoordinated phosphate triester.
弱碱（吡啶，二甲基吡啶或可力丁）的存在将亚磷酸三酯氧化为四配位磷酸三酯。
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。
With the rising demand for dimethyl phosphite, more attention was paid to its production process.
随着市场需求的增大，人们对亚磷酸二甲酯的生产工艺越来越关注。
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。
Micromorphology analysis by SEM is performed on the film of triphenyl phosphite formed on A3 steel.
用扫描电镜(SEM)分析了亚磷酸三苯酯在A3钢表面所成膜的微观形貌特征。
The common phosphite antioxidants were introduced, and the application fields of them were pointed out.
列举了具有代表性的亚磷酸酯类抗氧剂，并介绍了其应用领域。
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。
One is triphenyl phosphite ozonide, the other is 3-(4-nitrophenylsulfonyl)-2-phenyl-2-thioxo-1,3,2-oxazaphospholidine.
一个是亚磷酸三苯酯臭氧化合物，另一个是3-（4-硝基苯磺酰基）-2-苯基-2-硫代-1，3，2-恶唑磷啉。
In this thesis, we described the synthesis, crystal structure and some properties of a series of metal phosphite compounds.
在这篇论文中，详细地描述了一系列金属亚磷酸盐的合成、结构特点以及一些化学性质。
A new green manufacturing process for dimethyl phosphite is introduced. The key techniques of zero drainage were discussed.
介绍了亚磷酸二甲酯的绿色生产工艺，讨论了实现零排放的关键技术。
The process of preparing glyphosate with dimethyl phosphite and progress in relevant technology are introduced in this paper.
介绍了烷基酯法生产草甘膦的工艺及其近年来的技术进展。
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。
Using ditertbutyl peroxide as initiator, diethyl phosphite reacted with AA and AMPS, then hydrolyzed with conc. hydrochloric acid.
亚磷酸二乙酯与AA、AMPS在二特丁基过氧化物引发剂存在下进行调聚反应，然后用浓盐酸水解。
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)。
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。
A technique for continuous recovery and recycling of triethyl amine catalyst during production of glyphosate from dimethyl phosphite is discussed.
介绍了烷基酯法草甘膦生产中催化剂三乙胺回收的连续化工艺。
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；
In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1-Bromopentane, 1-Bromohexane and 1,2-Dibromoethane.
以溴戊烷、溴己烷、1，2-二溴乙烷和亚磷酸三甲酯为原料，分别合成了戊基、己基、溴乙基取代的三种膦酸二甲酯化合物。
The iron phosphite eutectic and ledeburite in wearre-sistant cast iron are contradistinguished with metallography and microhardness and scanning electron microscope.
采用金相、显微硬度与扫描电镜，以区别含磷减磨铸铁中磷共晶与菜氏体。
Sodium sulfate and sodium phosphite are tending to be accumulated gradually in the solution during electroless nickel plating, which affect the life of the plating solution.
随着施镀的进行，化学镀镍液中的硫酸钠和亚磷酸钠的积累越来越多，从而影响镀液的使用寿命。
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。
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。
Under optimal conditions, the removing rates of phosphite radicals, sulfate radicals and sodium ions can reach 50%, 30% and 80% respectively. The mechanism is also discussed.
在优化工艺条件下，亚磷酸根、硫酸根、钠离子去除率分别可达5 0 %、30 %、80 %，并对其机理作了初步探讨。
The modified pearlite pigment includes sheet base material, titania painted onto the sheet base, and hydrate of metal phosphite and metal oxide painted onto the surface of titania.
本发明涉及一种经后涂覆改性的珠光颜料，该珠光颜料包括片状基材、在基片上涂覆二氧化钛、以及在二氧化钛表面上再涂覆金属亚磷酸盐和金属氧化物的水合物。
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；
As shown by results, phosphite in cathodal cell was really converted into hypophosphite to a certain extent but its conversion rate was low due to the confinement of decomposition voltage.
实验结果表明，阴极室亚磷酸盐在一定程度上被转化为次磷酸盐，但是由于受电解电压的制约，转化率较低。
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。
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 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。
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