发明名称 Method and apparatus for collecting and storing environmental gases
摘要 A method and apparatus to collect and store a sample of an environmental gas, e.g. air. A sample container or bottle is cooled below the condensation temperature of the environmental gas so that a partial vacuum is created in the container thus permitting environmental gas to be drawn into the bottle and condensed. Included in the apparatus are means to meter the quantity of environmental gas admitted to the bottle.
申请公布号 US4195524(A) 申请公布日期 1980.04.01
申请号 US19780956312 申请日期 1978.10.31
申请人 AIR PRODUCTS AND CHEMICALS INC 发明人 HANSEN, ROBERT G
分类号 G01N1/24;(IPC1-7):G01N1/24 主分类号 G01N1/24
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