高纯物质

本方法已用于多种类型水样、高纯物质和生物物料中痕量银的测定，结果令人满意。

The method had been applied to determination of trace silver in water samples , pure matter and biomaterials with satisfactory results .

萃取法作为痕量元素分离、富集的一种有效手段，与光度法分析相结合在高纯物质的分析中，效果很好。

And extraction , as an important method of separation and enrichment , which combined with spectrophotometric analysis , is very efficiency .

所以等离子体射流质量分离可以实现高纯度、高生产率分离，该分离机理适用各种同位素的分离及高纯物质的制备。

Therefore Plasma jet separated by mass can realize higher purity and higher productivity . This separation mechanism is suitable for various isotope separation and higher level material preparation .

本文报道了高分辨率、高灵敏度的顺序扫描型电感耦合等离子体原子发射光谱仪（ICPS-8100）在高纯物质分析中的应用。对元素分析线进行优化选择；

A Sequential inductively coupled plasma atomic emission spectrometer ( ICPS-8100 made by Shimadzu ) with high resolution and sensitivity was used to determine directly trace elements (μ g / g level ), such as As , Sn , Sb and Pb in high-purity metal chromium .

随着我国工业的发展，对氖气产品质量提出了更高要求，为了保证化工生产和仪器仪表服务所需要的标准物质，我们研制了高纯氖气体标准物质。

In order to ensure the supply of standard material for chemistry production and apparatus , we did the research of high purity neon gas standard material .