用原子吸收光谱法测量铂铑合金中的铑含量  

Determining the Rh content in Pt-Rh alloy by the atomic absorption spectrum analysis method

作　　者：颜科[1] 沙德仁[1] 范文燕 顾萱 

机构地区：[1]南京玻璃纤维研究设计院

出　　处：《玻璃纤维》1990年第4期5-9,23,共6页Fiber Glass

摘　　要：在连续玻纤拉丝坩埚材料中,铑含量(一般为7～10％)的多少,直接影响漏板的作业参数及本身使用寿命,铂、铑是两种物、化性质相近的耐高温贵金属,因此给分离、分析它们的合金带来了困难。文章介绍了用原子吸收光谱法分析铂、铑合金中铑含量的试验方法,对比、讨论了铂及其它金属对分析铑的干扰及其抑制、消除这种干扰的方法,并试验了抑制剂的选择等等。The content of Rh (usually 7～10%)in the alloy for making fiber drawing bushings has an immediate effect on the operation parameter and service life of the bushing.The fact that Pt and Rh are two kinds of high-temperature-resisting metals with similar physical and chemical properties results in the difficulties in the analysis and separation of their alloy.This paper introduces a testing method to determine the Rh content in Pt-Rh alloy by atomic absorption spectrum analysis methods.The interference of Pt and other metals and the suppression and elmination of the interference and the selection of depressant are also discussed in the paper.

关 键 词：铂铑合金 铑 含量 拉丝坩埚 

分 类 号：TQ171.776[化学工程—玻璃工业]