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chu tou cai liao zhong xi de ce ding
Author(s): 
Pages: 49-50
Year: Issue:  8
Journal: Ordnance Material Science and Engineering

Keyword:  硒试剂触头材料;
Abstract: 本文采用硒试剂测定含有大量铜及碲、硒触头材料中的硒。在弱酸性介质中,Se4+与硒试剂形成黄色络合物,极大吸收峰在349nm。为消除大量钢对测定硒的干扰,提出用草酸铵掩蔽铜。本方法与ICP-AES法测硒比较,结果相符。
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