precipitating agent

cu/ zro_2 catalyst for dehydrogenation of diethanolamine to diglycolamidic salt was prepared from copper nitrate and zirconium perchlorate by co-precipitation using sodium hydroxide as precipitating agent.

以硝酸铜和高氯酸锆为原料，氢氧化钠为沉淀剂，采用共沉淀法制备了Cu/ZrO2催化剂。

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TiO2 co-doped with samarium and nitrogen was synthesized by co-precipitation method with titanium sulfate as titanium precursor and ammonium hydroxide as precipitating agent and nitrogen precursor.

采用硫酸钛为钛源，氨水作为沉淀剂的同时作为氮源，制备了钐、氮共掺杂的纳米TiO2光催化剂。

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nanometer-sized zinc oxide prepared by using urea as precipitating agent

以尿素为沉淀剂制备纳米氧化锌粉体

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a method of eliminating a large amount of chloride in matrix for anion chromatography using silver oxide as precipitating agent

氧化银作沉淀剂消除基体中氯离子干扰的离子色谱方法

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Nanometer Y_2O_3 was prepared with homogeneous precipitation method by using yttrium nitrate as raw material, urea as precipitating agent, and PAA as dispersant.

以硝酸钇为原料，尿素为沉淀剂，低分子量聚丙烯酸钠为分散剂，研究了采用均匀沉淀法合成纳米Y2O3的工艺过程。制备条件为：钇离子浓度0.3mol/L；

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By using orthogonal test method optimum technological conditions are determined: materials ratio is 4 ∶ 1, precipitating agent rate is 1 mL/ min, reacting time is 60 min, and pH value is 5.4.

用正交试验法确定了较优的工艺条件，即原料配比为4∶1，沉淀剂滴加速率为1mL·min-1，反应时间为60min，溶液的pH值为5.4。

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