用于生物研究的空气中乙烯和其他碳氢化合物去除的比较和评估方法。
Comparison and evaluation methods for the removal of ethylene and other hydrocarbons from air for biological studies.
机构信息
Department of Plant Science, University of Alberta, Edmonton, Alberta, Canada T6G 2E3.
出版信息
Plant Physiol. 1978 Nov;62(5):723-6. doi: 10.1104/pp.62.5.723.
Abstract
A random sampling analysis of laboratory air and of air from commercially available cylinders indicated that they contain appreciable amounts of low molecular weight hydrocarbons, viz. methane, ethane, and ethylene, as contaminants. These impurities could lead to erroneous conclusions in studies of plant growth and metabolism. Different methods for removal of these contaminants were compared and evaluated in the present investigation for their suitability in plant studies. Most of the methods currently being used were found inadequate. The use of metal catalysts at high temperature, adapted from gas analysis techniques, provides an inexpensive and efficient method for removing hydrocarbons from air in both closed and continuous flow systems.
摘要
实验室空气和市售钢瓶中空气的随机抽样分析表明，它们含有相当数量的低分子量碳氢化合物，即甲烷、乙烷和乙烯，是污染物。这些杂质可能导致植物生长和代谢研究得出错误的结论。本研究比较和评估了不同的去除这些污染物的方法，以评估它们在植物研究中的适用性。目前使用的大多数方法都被认为是不够的。从气体分析技术改编而来的高温金属催化剂的使用为从封闭和连续流动系统中的空气中去除碳氢化合物提供了一种廉价而有效的方法。
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