concentrated nitric acid meaning in English
浓硝酸
Examples
- Nitracidium and hydronitracidium nitrastes are present in concentrated nitric acid .
浓硝酸中有硝酸合氢和氢合硝酸合氢的硝酸盐存在。 - Market analysis of concentrated nitric acid in china in
中的文艺学和批评学蕴义 - Concentrated nitric acid for industrial use
工业硝酸浓硝酸 - The demand and price trend are analyzed in this article in view of the production situation of concentrated nitric acid in the past years
摘要结合浓硝酸历年来的产量情况对其产品未来的需求及价格走势进行了分析。 - Back extraction by hno3 - hf and back extraction by concentrated hnch after lower the concentration of organic phase are studied , the method of back extration by hnorhf can not be used to icp - ms , because some zirconium is hydrolysis when hf is removed by heat . however , the method of back extraction by concentrated nitric acid after lower the concentration of organic phase can be used to icp - ms , the recovery is 93 . 2 % , rsd % is 5 . 24 % , the decontamination factor of uranium is 3 . 2xl04 , the detection limit of zirconium is 0 . 04ng / ml . the method of tta extracting trace zirconium in uranium is firstly used to icp - ms , the result is satisfied , it can be used to determine zirconium in uranic production quickly and veraciously
本文通过研究hno _ 3 - hf反萃和稀释有机相后用浓hno _ 3反萃这两种分离方法，认为hno _ 3 - hf反萃由于在加热去除hf时酸度不易控制，导致锆的部分水解，因而此方法不宜用于icp - ms中，然而稀释有机相后用浓hno _ 3反萃法用于icp - ms测量中，全程回收率为93 . 2 ，相对标准偏差为5 . 24 ，铀的一次去污因子为3 . 2 10 ~ 4 ，锆的测定下限为0 . 04ng / ml ，本文首次将tta萃取分离铀中锆用于icp - ms测量中，结果令人满意，此方法适用于快速、准确测量铀产品中微量锆。
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