phosphoric acid

The research advance of purifying wet process phosphoric acid with solvent extraction method was introduced.

介绍了溶剂萃取净化湿法磷酸的研究进展情况.

The Liquid Liquid equilibrium data of octane water and octane phosphoric acid water system were measured.

实验测定了不同温度下辛烷水二元体系和辛烷磷酸水三元体系的液液相平衡数据.

The experiments show that acid, acid and phosphoric acid can hydrolyze chrome shavings.

实验表明:硫酸 、 甲酸、磷酸均可水解铬鞣革屑.

Phosphoric acid produced by the wet process is in the ortho form.

用湿法生产的磷酸呈正磷酸状态.

In this paper, we mainly researched that butyric acid mono-and diglycerides can be synthesized by esterifying with phosphoric acid catalyzer, by selecting glycerol and butanoic acid as raw material, carbon tetrachloride as solvent.

本论文主要研究了以丁酸和甘油为反应物，四氯化碳为带水剂、磷酸作催化剂酯化合成丁酸单双甘油酯。

The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced.

介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素.

Why add phosphoric acid in anatase titanium dioxide?

阐述了在生产锐钛型钛白粉颜料中,加入磷酸的目的、量、钛白粉的影响,以及加入磷酸的方法.

Yibing base Liudai phosphoric acid amine production, marketing.

异丙基硫代磷酸胺的生产 、 销售.

The soy sauce containing urea will become red when heated together with diacetyldioxime and phosphoric acid.

掺有尿素的酱油在与丁二酮肟、磷酸混合后,加热煮沸会呈现红色.

Things such as surfactants, phosphates, hydrochloric acid, phosphoric acid, sulphuric acid, chlorine bleach and many more.

东西,如表面活性剂, 磷酸盐, 盐酸, 磷酸, 硫酸, 氯漂白水和许多更多.

Organic phosphorus was turned into phosphoric acid by oxidation in dense vitriol and nitric acid.

有机磷经浓硫酸-硝酸氧化分解,转化为正磷酸.

The presence of aggressive cover water containing phosphoric acid and having a pH of 1. 61-1. 83 was a factor accelerating attack.

含磷酸的密封水（pH在1.61～1.83）具有腐蚀性，加速了腐蚀进程。

Objective : To investigate the effect of etch with 35 % phosphoric acid on enamel cracks.

目的: 探讨正畸粘接托槽前,临床上常规采用的35%磷酸酸蚀牙面进行预处理,对釉质裂的影响.

Here some wet phosphoric acid purification technologies are presented.

阐述了湿法磷酸净化方法及其研究进展.

The monoester, disester and phosphoric acid in dodecyl phosphate were determined by potentiometric titration.

采用电位滴定法测定了十二烷基磷酸酯中单酯、双酯、磷酸的含量.

The technological principle and process producing monobasic potassium phosphate using chloride and phosphoric acid are introduced.

介绍以氯化钾和磷酸为原料生产磷酸二氢钾的工艺原理及工艺过程.

These complexes require phosphoric acid pretreatment for their removal in degumming or refining.

这些复合物需通过在脱胶或精炼中加磷酸预处理来去除.

Thus, in a conical flask with small funnel, sample is decomposed by HNO_3-H_3PO_4-H_2O_2, using phosphoric acid of 20% as reaction medium, concentration of potassium borohydride is controlled at 2%.

以HNO3H3PO4H2O分解样品，选用20%的磷酸作反应介质；硼氢化钾浓度控制在2%。

Is alkalescent phosphoric acid enzymatic what be?

碱性磷酸酶是什么?

The melamine phosphate is synthesized from melamine and phosphoric acid. The optimum technological conditions are determined.

摘要以磷酸和蜜胺为原料,合成阻燃剂磷酸蜜胺;确定了最佳的工艺条件.

The handling of the tail gas from the wet method phosphoric acid device is introduced.

主要介绍了湿法磷酸装置的尾气处理.

So the qualified industrial phosphoric acid is gained by further washing and stripping sections.

结合洗涤和反萃可以得到合格的工业级磷酸.

New technology of removing iron for purifying wet-process phosphoric acid using foam flotation has been studied.

采用泡沫分离技术净化湿法磷酸除铁是一种新工艺.

Compared with other groups, there were relatively lower levels of phosphoric acid and tryptophan in HCC serum, and higher levels of butanoic acid and 3-hydroxybutyrate.

肝癌患者血清中磷酸和色氨酸等代谢物含量较其它各组明显降低，而丁酸和3-羟基丁酸的含量明显升高。

This is our russell proofing area, first phosphoric acid then zinc primer then paint, your choice.

这是我们的罗素校对面积, 一磷酸,然后锌底漆,然后油漆, 您的选择.

Also free from nitric acid and phosphoric acid, to prevent algae breeding.

更不含硝酸及磷酸, 真正预防藻类滋生.

The relationship between catalytic and the amount and composition of the free phosphoric acid was studied.

游离磷酸作为硅藻土磷酸盐固体酸催化剂,用于催化丙烯齐聚和其他反应.

SO_2 Gas Electrochemical Sensor at Fixed Potential Using Solid Electrolyte of Proton Exchange Membrane Modified with Phosphoric Acid

以磷酸型质子交换膜为固体电解质的定电位电解型气体传感器

They always connected water with their attitude. Production Summary of the HDH Process Phosphoric Acid Plant of Honghe Phosphate Fertilizer Factory

红河磷肥厂半水-二水物法磷酸装置生产小结

The tricalcium phosphate constituent is converted to phosphoric acid and calcium sulfate.

磷酸三钙组分转化成为磷酸和硫酸钙.