发明名称 |
KOHLENMONOXID-UEBERWACHUNGSSYSTEM |
摘要 |
Colorimetric indicator material comprising alumina impregnated with permanganate ion and silver ion which changes color from purple to brown in the presence of carbon monoxide is disclosed. A personal monitor containing permanganate ion and silver ion impregnated alumina which changes color completely when the carbon monoxide exposure over a given period of time exceeds a predetermined concentration is disclosed. |
申请公布号 |
DE2922931(A1) |
申请公布日期 |
1979.12.13 |
申请号 |
DE19792922931 |
申请日期 |
1979.06.01 |
申请人 |
MINNESOTA MINING AND MANUFACTURING CO. |
发明人 |
W. MCALLISTER,JEROME;A. KOHLER,GUNTER;R. LUND,VIRTUDES |
分类号 |
G01N21/77;G01N31/00;G01N31/22;G01N33/00;(IPC1-7):G01N31/22 |
主分类号 |
G01N21/77 |
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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