A Schematic of a Thermal Conductivity Detector used in Gas Chromatography
<a href="//commons.wikimedia.org/w/index.php?title=User:Mattj63&amp;action=edit&amp;redlink=1" class="new" title="User:Mattj63 (page does not exist)">Mattj63</a>
2007-09-18
<span class="int-own-work" lang="en">Own work</span>