发明名称 |
Indicator device for the quantitative determination of metal cyanides in aerosol form |
摘要 |
An indicator device for the quantitative determination of aerosol-type metal cyanides, including a tube provided with a bore extending therethrough, a front layer of a substrate material impregnated with sulfuric acid or phosphoric acid and a following indicating layer of a substrate impregnated with mercuric chloride and methyl red.
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申请公布号 |
US4271125(A) |
申请公布日期 |
1981.06.02 |
申请号 |
US19790093874 |
申请日期 |
1979.11.13 |
申请人 |
DRAEGERWERK AKTIENGESELLSCHAFT |
发明人 |
LEICHNITZ, KURT |
分类号 |
G01N31/00;G01N31/22;(IPC1-7):G01N31/22 |
主分类号 |
G01N31/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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