亚磷酸

通过对亚磷酸的加入量、温度、时间、pH值等生产条件的研究，确定了中温法最佳生产工艺条件。

On the basis of analysis , the effects of phosphorous acid , synthesis temperature , synthesis time and pH were studied , and the optimum production process conditions at middle atmosphere temperature were determined .

讨论了主盐类型及含量，辅盐、稀土元素、缓冲剂、亚磷酸以及络合剂含量对镀层组成及沉积速度的影响。

The influences of the type and content of main salt , the content of auxiliary salt , rare earth , buffer , phosphorous acid and complexing agent on deposit composition and deposition rate were discussed .

新型三维结构亚磷酸钒（Ⅲ）[V2（HPO3）3·（H2O）3]·H2O的水热合成与晶体结构

Hydrothermal Synthesis , Crystal Structure and Characterization of a New Three-dimensional Vanadium (ⅲ) Phosphite

亚磷酸三苯脂在A3钢表面成膜的XPS分析

XPS analysis of triphenyl phosphite film formed on the surface of 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。

Micromorphology analysis by SEM is performed on the film of triphenyl phosphite formed on A3 steel .

工艺过程对亚磷酸三苯酯在A3钢表面成膜的影响

Influence of processing parameters on formation of triphenyl phosphite film on A3 steel surface

对于次磷酸镍体系，直接采用常温下Ca（OH）2沉淀除去亚磷酸根离子的方法。

For nickel hypophosphite system , HPO ~ ( 2 - ) _3 was precipitated and eliminated directly by adding Ca ( OH ) _2 at room temperature .

浅谈HEDP生产中降低亚磷酸技术及其特点

Technique of debasing phosphorous acid and characteristic in producing HEDP

利用亚磷酸二甲酯和甲基乙烯基二氯硅烷，合成了一种棉用耐久性磷硅阻燃剂SP。

A durable flame retardant SP containing phosphorus and silicon for cotton fabric was synthesized successfully with dimethyl phosphonate and methyl vinyldichloridesilane as main ingredients .

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；

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 ;

用XPS和AES分析了亚磷酸三苯脂（TP）在A3钢表面膜中的元素价态、组成、参与配位的元素。

Composition and valences of the elements in the triphenyl phosphite film formed on the surface of A3 steel were analyzed by means of XPS and AES .

抗氧剂TNP在氯丁橡胶中的应用亚磷酸三苯酯的合成

Application of Phosphite Ester Antioxidants to Chloroprene Rubber

实验表明，适当选择刷镀液中主盐、亚磷酸、络合剂、pH值、纳米颗粒添加剂等诸因素，可得到最佳的沉积速度和刷镀层质量。

The experiment shows that if the main salt inside the brush plating liquid and dispersing agent and pH worth and phosphorous acid and addition of nanometer particles and so on are appropriately chosen , the best results are harvested .

抗氧剂YHK-1主要由酚类和亚磷酸酯类抗氧剂组成，能有效抑制聚合物氧化，被广泛用于ABS树脂中。

Antioxidant YHK-1 is composed of mainly a phenolic antioxidant and an alkylphenol phosphorous ester , used extensively in ABS resin .

我已经从TNT给你寄了亚磷酸样品，由于是亚磷酸危险品，所以我没有在样品袋上贴标签。

I have sent Nitrous acid sample to you by TNT , but I made no warning lable on the sample bag since it is dangerous cargo .

用亚磷酸三苯酯和吡啶做缩合剂，在NMP溶液中发生聚合反应，合成了端基为氨基的两种新型超支化聚酰胺。

Hyperbranched aromatic polyamides were prepared by direct polycondensations of the two monomers in the presence of triphenyl phosphite and pyridine as condensation agents in NMP .

对于硫酸镍体系，首先将镀液冷却至室温除去过量的硫酸钠晶体，接着在常温下添加Ca（OH）2沉淀除去亚磷酸根离子；

For nickel sulfate system , initially crystal sodium sulfate was removed by cooling the solution down to room temperature , and subsequently HPO ~ ( 2 - ) _3 was precipitated and removed by addition of Ca ( OH ) _2 at room temperature .

以乙酸钙为沉淀剂，考察了在不同的温度、用量、pH值以及反应时间条件下，去除亚磷酸根的情况，讨论了采用Ca（OH）2、CaO为沉淀剂的除磷效果；

With calcium acetate as precipitating agent , the effect of phosphite ion removal under different temperature , dosage , pH value and reaction time were investigated , meanwhile , the dephosphorization effect when using Ca ( OH ) 2 and CaO as precipitating agent were also discussed ;

当稳定剂加入量为2份时，YI酸锌/硬脂酸钙的最佳比例为4/6，YI酸锌/硬脂酸钙/亚磷酸三苯酯的最佳比例为2/3/5。

When the dose of stabilizer was 2 % , the best proportion of zinc YI acid and calcium stearate was 4 ∶ 6 , the best proportion among zinc YI acid , calcium stearate and triphenyl phosphorous acid was 2 ∶ 3 ∶ 5 .

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。

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 ℃) .

抗氧剂YHK-1由酚类抗氧剂、亚磷酸酯类抗氧剂及特殊添加剂组成。

Antioxidant YHK-1 is mainly composed of a phenolic antioxidant , an alkylphenol phosphorous ester and special additive .

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）。

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

该合成工艺缩短了合成路线、简化了操作、提高了收率和纯度，避免了使用毒性大的亚磷酸三乙酯[P（OEt）3]。

This improved synthetic route is simpler , more efficient and convenient , its additional merits are furnishing more pure product and avoiding the usage of toxic reagent P ( OEt ) _3 .

以亚磷酸二乙酯、丙烯酰胺和乙二醛为原料，经过两步反应合成了磷系无甲醛阻燃整理剂FRC-P，采用红外分析确定了该阻燃剂的结构。

The phosphorus and formaldehyde free flame retardant FRC-P was prepared by two steps reaction with diethyl phosphate , acrylamide and glyoxal . Its chemical structure was confirmed by infrared spectroscopy .

无溶剂法合成亚磷酸二乙酯

Synthesis Process of Diethyl Phosphite in the Absence of Organic Solvent

碱式亚磷酸-磷酸钾锌无毒防锈颜料的研究

Studies on Basic Zinc Potassium Phosphite-Phosphate & a Non-Toxic Anticorrosive Pigment

重铬酸钾法测定防锈颜料亚磷酸锌中的亚磷酸根

Determination of Phosphite Content in Zinc Phosphite by Potassium Bichromate Method

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 method for synthesizing dialkyl phosphite from phosphorus trichloride was improved .

亚磷酸二甲酯尾气的分离回收工艺

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

氨法碱洗工艺制备亚磷酸三乙酯

A process of preparing Triethyl Phosphite by ammonia method and alkali scour