| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a filter which removes highly-concentrated hydrogen sulfide surely and can detect hydrogen cyanide with a high accuracy. <P>SOLUTION: The hydrogen sulfide removal filter for gas detectors has a constitution that lead acetate and lead nitrate are supported by a gas-permeable substrate. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
