硫酸锆

氧化锌-氧化锆催化剂EDTA络合滴定法快速测定硫酸锆中氧化锆含量

Rapid Determination of Zirconium Oxide Content in Zirconium Sulfate with EDTA Compleximetry

SiO2负载硫酸锆固体酸催化酯化反应

Esterification on Silica Supported Zirconium Sulfate Solid Acid Catalyst

以硫酸锆和硅胶为主要原料在水热条件下合成了SiO2ZrO2复合体，晶化温度150℃，晶化时间24h。

SiO_2-ZrO_2 composite was synthesized using Zr ( SO_4 ) _2 and silica gel as starting materials in hydrothermal system at crystallization temperature of 150 ℃ for 24 h.

脱色蛋白经过乙酸酐或顺丁烯二酸酐、硫酸锆修饰，其白色可稳定，在pH2～12及80℃条件下均不变色。

A white modifying protein that is stable below 80 ℃ and while the pH is from 2 to 12 was obtained through above modification .

其中硫酸锆催化效果更好，在最佳用量下，分馏反应60min，产物收率可达68.29%，且催化剂的重复使用性能较好。

The yield of cyclohexene was 68.29 % with zirconium sulfate as catalyst and fractionation reaction for 60 min. The property of repeat utilization of zirconium sulfate was better than that of potassium hydrogen sulfate .

利用程序升温分解（TPDE）及热重－差热分析（TG－DTA）这两种程序升温动态分析手段，对四水硫酸锆结晶水的结合特征及热分解动力学行为进行了效详细的研究。

The binding morphology of crystal water with zirconium sulfate in the structure of tetrahydrate and the kinetic behavior of decomposition of zirconium sulfate have been investigated by means of temperature programmed decomposition ( TPDE ) and thermogravimetry differential thermal analysis ( TG-DTA ) .

硅胶负载型硫酸锆表面相结构的理论研究

Theoretical Study of the Surface Structure of Silica-supported Zirconium Sulfate

硫酸锆生产工艺的改进

Improvement for Production Process of Zirconium Sulphate

层状四水硫酸锆催化合成乙二醇单乙醚醋酸酯反应机理的理论研究

Theoretical Study on the Reaction Mechanism of Synthesis of 2-Ethoxyethanol Acetate by Layered Zirconium Sulfate Tetrahydrate

硫酸锆制备工艺研究

Study on Preparation of Zirconium Sulphate

硫酸锆生产工艺研究

Study of Zirconium Sulfate Production Process

综述了硫酸锆、碳酸锆产品的性质、生产技术及应用；

The properties , manufacturing technique and application of zirconium basic sulfate and zirconium basic carbonate were surveyed .

用硫酸锆、硫酸氢钾分别代替浓硫酸，催化环己醇脱水合成了环己烯，主要考察了催化剂用量、分馏反应时间对产物收率的影响。

Suitable factors of preparation of intermediate product potassium hydrogen sulfate and neutralizing reaction of potassium hydrogen sulfate with ammonia is given .

而以硅胶负载四水硫酸锆催化裂解1，1&二乙酸酯，其方法具有反应时间短、收率高、环境友好、易操作等特点。

With catalyzed by Zr ( SO4 ) 2 '4H2O / SiO2 we have found this method has the merits of short reaction time , high yields and easy to control .

第三部分：该部分介绍了微波辐射硅胶负载的四水硫酸锆催化，酚与乙酰乙酸甲酯或乙酰乙酸乙酯作用合成香豆素的方法。

In the third chapter , a rapid and efficient method for the synthesis of coumarins from phenols with ethyl acetoacetate or methyl acetoacetate is described in the presence of zirconium sulfate tetrahydrate-silica gel under microwave irradiation .

硫酸乙酰肝素硫酸酯酶硫锆催化合成1,3-二氯-异丙醇的研究

Study on synthesis of 1,3-dichloro-isopropanol catalyzed by zirconium-loaded sulfuric acid