A Compact Inexpensive Gas Chromatograph/Mass Spectrometer Silicone Rubber Membrane Separator A small silicone mhber membrane type GC/MS separator (1-5) with excellent performance characteristics has been constructed. for a cost of less than 520 for materials. This interface should orow esoeciallv, oertinent for small colleees or tmtwrsitws on lmited hudyets, which prwess a mass sprrtnmctcr and a gas chrcmmqraph. l ~ dc,t no1 h a w iuld. 11) p u r r h ~ *one r of the new nnnhinnt~onC C M S irblrumanb Our d e r i p ubjectiw were (a1 it should hc of s,rrlph! mnrtruetmn. and readily fahrirat~dfnrm eas~lyavahhleand iarxpt~nsivt.matcrialr;I ~ itI should besmall insue, t
