空心阴极灯的构造是（） -题库考试答案搜索网

空心阴极灯的构造是（）

单选题

2021-09-01 16:38

A、待测元素作阴极，铂棒作阳极，内充氮气；
B、待测元素作阳极，铂棒作阴极，内充氩气；
C、待测元素作阴极，钨棒作阳极，灯内抽真空；
D、待测元素作阴极，钨棒作阳极，内充惰性气体。

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正确答案

D

试题解析

标签：西安交通大学现代仪器分析学习指南

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