沉淀杂质

结果，用乙醇沉淀法除杂质的爽肤洁阴洗液原液对金黄色葡萄球菌、大肠杆菌作用5min，对白色念珠菌作用10min，平均杀灭率均≥99.91%；

The results showed that the stock solution of Shuang-Fu-Jie-Yin Lotion processed by ethanol sedimentation method for removing impurity killed ≥ 99.91 % Staphylococcus aureus and Escherichia coli in average in 5 min and Candida albicans in 10 min.

本文对钇基重稀土碳酸盐沉淀过程中杂质铁、铝离子的共沉淀行为以及对碳酸稀土的结晶性能和结晶效果的影响进行了研究。

The co precipitation behavior and the effects of impurity ions on the crystallization properties of yttrium base heavy rare earth carbonate were investigated .

该工艺采用焙烧法将污泥中的金属组分同类分离，并结合黄钠铁矾沉淀法去除杂质铁等工艺对铜、镍、铬进行了回收利用。

Different metals are separated from the electroplating sludge by roasting and copper , nickel and chromium were recovered with suitable methods such as removing iron by sodium jarosite precipitation .

利用Zn（OH）＿2的两性沉淀富集待测杂质元素，分离高含量Zn以排除干扰，用火焰原子吸收法测定其中的杂质元素含量。

The amphoteric character of Zn ( OH ) _2 is used in matrix separation and impurity preconcentration in zinc concentrates analysis .

一种能够收集、提示、并方便处理所沉淀的水份及杂质沉淀燃油箱。

The utility model discloses a fuel tank , which can collect , prompt and conveniently process the precipitated moisture and impurities .

对银沉淀时待测杂质元素的损失、光谱测定条件进行试验。

The loss of impurity elements in the precipitation of silver , and selection of spectral conditions for the determination of silver are tested .

在富钛精矿酸解所得的溶液中加入KCl，便形成以KAl（SO4）2为主的沉淀，过滤沉淀可以去除Al3+杂质。

KCl was added into rich titanium solution containing Al 3 + to produce KAl ( SO 4 ) 2 as precipitate , Al 3 + in solution was removed .

为了消除离子色谱法测定尿液草酸浓度时部分尿样中存在的杂质峰对草酸测定的干扰，先在尿液中加入氯化钙而发生草酸钙沉淀，再用盐酸溶解该沉淀即可达到清除杂质峰的目的。

In order to remove the interference of impurity to oxalate determination in urine by means of ion-chromatography , calcium was added to the urine to cause calcium oxalate precipitation . Hydrochloric acid was used to dissolve the precipitate to remove the impurity .