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device for controlling the exposure of people to atmospheres containing carbon monoxide and material for use in it
device for controlling the exposure of people to atmospheres containing carbon monoxide and material for use in it
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机译:用于控制人暴露于一氧化碳和其中使用的材料的大气中的设备
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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.
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