PORTABLE GAS-CHROMATOGRAPH-MASS-SPECTROMETER CAPABLE OF QUALITATIVELY AND QUALITATIVELY ANALYZING VOLATILE ORGANIC COMPOUNDS IN THE AIR IN REAL TIME

摘要

PURPOSE: A portable gas-chromatograph-mass-spectrometer(GCMS) for monitoring volatile organic compounds is provided to minimize contamination by rapidly verifying and responding contamination source.;CONSTITUTION: A gas-chromatograph(GC) part(11) includes a sampling unit(22), a small-sized GC module(21), and nitrogen feed source(23) supplying the carrier gas of the GC module. A mass-spectrometer(SM) part(13) includes a vacuum chamber(31) and a quadrupled mass analyzer(34) installed in the vacuum chamber. In the vacuum chamber, vacuum is maintained. A GCMS interface(12) connects the GC part and the MS part.;COPYRIGHT KIPO 2011