assay是什么意思

用法例句

Determination of the Trace Platinum and Palladium in Anode Neutralization by GFAAS and Preconcentration with Fire Assaying;

火试金富集-石墨炉原子吸收光谱法测定阳极泥中的微量铂和钯

Abstract:It was introduced that progress actuality and application foreground of the stutra analysis technique of gold in the up-to-date China such as fire assaying and iodimetry.

以火试金和滴定法为例,介绍了经典测金方法的发展现状和应用前景。

After being smelted with fire assay and enriched with cupellation method,the precious metal is decomposed with chloroazotic acid.

试样经火试金法熔炼和灰吹富集后,贵金属合粒以王水分解,在盐酸介质中,用火焰原子吸收分光光度法测定钯量。

Determination of Au in Au-Sn alloy was investigated by fire assay.

研究了采用火试金法直接测定金锡合金中金的含量。

Platinum and palladium in anode mud of copper and lead electrolysis were analyzed with fire assay attack separation and ICP-AES.

采用火试金分离捕集,电感耦合等离子体发射光谱法分析了铜铅电解阳极泥中的铂和钯,重点试验了银的沉淀分离条件,方法应用于实际样品的分析,加标回收率大于95%。

In this paper,the method,step and requirement to determine gold and silver content of gold-bearing quartz by fire assay are described.

本文说明了用火试金法测定金块矿中金和银量的方法、步骤。

Application of fire assaying to analysis of precious metal element;

火试金法在贵金属元素分析中的应用

Determination of gold in alloy gold of low fineness by means of fire assaying with supplemental gold;

添金火试金法测定低成色合质金中的金

The noble metal granules obtained after fire assaying of sample was dissolved in nitric acid,and adding hydrochloric acid appropriately to drive away nitric acid,then extracting Pd in 8mol/L medium of hydrochloric acid by petroleum aether-chloroform solution.

试样经火试金法处理后 ,将所得贵金属颗粒用硝酸溶解 ,加入适量的盐酸赶尽硝酸 ,然后在 8mol/L的盐酸介质中用石油醚 -三氯甲烷溶液萃取 ,以DDO为显色剂进行钯的光度法测定。

A fire assaying method for the successive determination of gold and palladium in curde copper without preseparation was proposed The method was accuracy and highly precis

提出了对粗铜样品不经预先分离铜而直接进行火试金 ,连续测定样品中的金和钯量。