ArticleAnalytical sciences : the international journal of the Japan Society for Analytical Chemistry2021
Development of a Chromium-free Gas Detector Tube for Alcohols.
Article in Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Chromium oxide(VI), (Cr(VI)) has been used in gas detector tubes as an indicator to detect alcohols. However, it is toxic and regulated to prevent environmental pollution. In this report, potassium manganate(VII) was chosen instead of Cr(VI). A samples of 100 mL of ethanol, methanol and 2-propanol vapors were passed through a gas detector tube with an aspirating pump. Sampling time was 3 min. The stain length on the tube was in the range of 20 - 300 ppm. A novel detector tube for alcohols was developed without Cr(VI).
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