A gas chromatographic air analyzer fabricated on a silicon wafer

SC Terry, JH Jerman, JB Angell - IEEE transactions on electron …, 1979 - ieeexplore.ieee.org
… the gas chromatography process which takes place inside the etched silicon separating
column and the action of the detector on the output gas … of the miniature gas chromatograph. …

Air analysis by gas chromatography

D Helmig - Journal of chromatography A, 1999 - Elsevier
… This review of gas chromatographic air analysis considers approximately 170 research …
, with special emphasis on capillary gas chromatography details. These parameters are …

Performance and characteristics of a trace gas analyzer for the determination of volatile organic compounds in air

F Munari, GP Mapelli, D Kotzias… - … Chromatography, 1996 - Wiley Online Library
… An instrument has been developed and tested for the continuous measurement of volatile
organic compounds (VOC) in air. The system consists of a gas chromatograph equipped with …

Gas chromatographic analysis of reactive gases in air

RM Bethea, MC Meador - Journal of chromatographic science, 1969 - academic.oup.com
… -NO and CO2N20 peaks would be separated and the gases determined on Column 20.
Evaluation of this proposed three-column system could not be done with the gas chromatograph

Gas chromatography of reactive sulfur gases in air at the parts-per-billion level

RK Stevens, JD Mulik, AE O'Keeffe, KJ Krost - Analytical chemistry, 1971 - ACS Publications
… the chromatographic column. This communication describes the development of the first
automated gas chromatographic system that can quantitatively measure the ambient air content …

Automated gas chromatographic analysis of sulfur pollutants

RE Pecsar, CH Hartmann - Journal of Chromatographic Science, 1973 - academic.oup.com
Gas chromatography is a versatile tooi for accomplishing this analysis in the normai ppb to
ppm concentration range. Typically an alt-Teflon flow system is employed with detection by …

[HTML][HTML] Can modern infrared analyzers replace gas chromatography to measure anesthetic vapor concentrations?

JFA Hendrickx, HJM Lemmens, R Carette… - BMC …, 2008 - Springer
… Immediately after mixing, the first and last 10 mL were injected into the gas chromatograph;
the mid portion, 80 mL, was sampled by the IR analyzer. When the GC peak height of the first …

Micro gas analyzers for environmental and medical applications

SI Ohira, K Toda - Analytica Chimica Acta, 2008 - Elsevier
… Microsystem for gas chromatographic determination. The top scheme shows typical
micro gas chromatograph for air sample analysis. The pictures are examples of …

A portable, high-speed, vacuum-outlet GC vapor analyzer employing air as carrier gas and surface acoustic wave detection

JJ Whiting, CJ Lu, ET Zellers, RD Sacks - Analytical Chemistry, 2001 - ACS Publications
Air samples containing more than a few organic components require separation by gas
chromatography (GC) for accurate quantification of each component. Where nonspecific …

Monitoring VOCs in atmospheric air I. On-line gas analyzers

S Król, B Zabiegała, J Namieśnik - TrAC Trends in Analytical Chemistry, 2010 - Elsevier
… A modification of the MIMS equipment is a gas analyzer based on MESI. Analytes …
chromatographic column. To improve the reliability of measurements, the on-line gas chromatograph