沉淀剂

The titration of SO(superscript 2- subscript 4) was carried out using the standard solution of NaOH, with the phenolphthalein as an indicator.

考察了沉淀剂用量、溶液酸度、干扰离子及指示剂的选择对测定的影响。

A feasible synthesis process is pH value=9 and precipitant titration rate=5 ml/min.

可行的工艺为：溶液的pH=9、沉淀剂滴入速度为5ml/min。

A compound used in analysis as a precipitant for palladium or nickel.

在分析中用作钯或镍的沉淀剂的化合物。

Aluminium sulfate has been used as the rosin sizing precipitant for along time, but it is only valid in acid pH.

硫酸铝用作松香施胶的沉淀剂已经有很长的历史了，但它只适用于酸性条件。

The concentration of dextran solution was measured by testing its turbidity value using ethanol as the precipitant.

以乙醇为沉淀剂，测定水溶液中葡聚糖溶液浊度的方法测定葡聚糖的浓度。

The results show that spherical BaHfO3Ce nano-powders are synthesized only at 900 ℃ for 2 h and the average diameter is about 15 nm with ammonia as precipitant.

结果表明：以氨水做沉淀剂在900 ℃煅烧2 h合成的BaHfO3Ce粉体形貌近似球形，平均粒径约15 nm。

Discussed PVP and precipitant to reach the influence that distributing to diameter of small globose appearance, bead.

探索了PVP及沉淀剂对微球形貌、粒径及分布的影响。

Purpose:To eliminate proteins from crude heparin, the reactive conditions of precipitant YNB 99-1 were investigated.

摘 要 目的：探索YNB 99-1沉淀剂去除粗品肝素钠中蛋白质的作用条件。

The experiment was done on the factors such as amount of precipitating agent, the operating temperature and time.

对于操作过程中的沉淀剂加入量、操作温度和反应时间进行了条件试验。

Purpose To investigate the effects of three kinds of precipitator on the ferulic acid and icariin in Yangxuefuzheng granules.

目的 考察3种不同沉淀剂对养血扶正颗拉中阿魏酸、淫羊藿苷含量的影响。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。