Wastewater Analysis for Volatile Organic Sulfides Using Purge-and-Trap...

Water Environment Research;  April 1, 2007 ;     700+ words ......the analysis of volatile organic sulfides (VOS) simultaneously with volatile organic compounds (VOC) in wastewater using purge-and-trap with gas chromatography/ mass spectrometry. Calibration...2007). KEYWORDS: volatile organic sulfides, wastewater, gas...monitoring of ...

Fifty years of gas chromatography: Andrew Tipler and Mark Feder, gas...

Chemistry and Industry;  April 15, 2002 ;     700+ words ......adaptation of separation by partition to gas chromatography. It is safe to say that gas-liquid...out in simple laboratory systems. Gas chromatography (GC), however, could not be carried...important impact on the meteoric rise of gas chromatography. PerkinElmer immediately ...

Treatment of trace organic compounds by ozone--biological activated carbon...

Water Environment Research;  July 1, 2000 ;     700+ words ...ABSTRACT: Organic and trace organic performance...DOC, to biodegradable organic compounds, measured as an increase...fraction was shown by gas chromatography-mass spectrometry profile...After preozonation, organic compounds were sorbed and biodegraded...DCM) and analyzed ...

Degradation of organic compounds in a municipal landfill leachate treated...

Water Environment Research;  November 1, 1998 ;     700+ words ......was analyzed for organic compounds before and after...showed that mainly organic compounds with a low molecular...fractions of the organic compounds were unaffected by the treatment. Gas chromatography-mass spectrometry...concentrations of organic ...

Wells' samples free of organic compounds

The Press;  February 15, 2000 ;     192 words ...BLENHEIM -- No organic compounds were found in the latest round...were analysed for a range of organic compounds by the Institute of Environmental...showed low levels of some organic compounds in the water. They were considered...

gas chromatography

A Dictionary of Chemistry;      181 words ...gas chromatography A technique for separating or...the gas or by a flame detector. Gas chromatography is usually used for analysis...used for separating mixtures. Gas chromatography is often used to separate a mixture...

Mineralisation of low concentrations of organic compounds and microbial...

Australian Journal of Soil Research;  November 1, 1998 ;     700+ words ...Introduction Pesticides and other organic compounds are regularly applied to soil surfaces...microbial mineralisation of a number of organic compounds in unsaturated soils from the Swan...environment. Aerobic mineralisation of organic compounds can be monitored by collection and...

Handbook of Organic Compounds

Spectroscopy;  July 1, 2001 ;     700+ words ...Handbook of Organic Compounds Jerry Workman Jr., Editor...three-volume book titled Handbook of Organic Compounds (ISBN 0-12-763561-0), written...massive production, Handbook of Organic Compounds, is perhaps the most ambitious...

gas chromatography infrared

A Dictionary of Chemistry;      72 words ...gas chromatography infrared (GC-IR) A form of Fourier...small amounts of gas obtained by gas chromatography. Since functional groups in molecules...is easier to perform FT-IR for gas chromatography than for liquid chromatography...

Ultra-Fast Field Gas Chromatography for Site Characterization and Field...

Soil & Sediment Contamination;  January 1, 2004 ;     212 words ......Model 4200 analyzer is a field gas Chromatograph (GC) that is capable of analyzing volatile organic compounds (VOCs) and semivolatile organic compounds (SVOCs) to part-per-billion (ppb) levels in less than two minutes. The analyzer is manufactured...

Speeding separation.(Fast process gas chromatography)(Technical)

Chemistry and Industry;  August 21, 2000 ;     700+ words ......to the development of fast process gas chromatography, but improvements are still necessary...and the universal solvent. But, in gas chromatography, the goal nearly becomes a reality...Column performance The heart of a gas chromatography system is the column. Column performance...

WIPO: Inventors in Massachusetts, Connecticut, Texas Develop Microfluidic...

US Fed News Service, Including US State News;  November 3, 2008 ;     215 words ......a "self-contained micro-scale gas chromatography system that includes a plurality of gas chromatography components arranged on a micro-fluid...tubeless' fluidic connections for the gas chromatography components." The invention carries...

Time-Resolved Inverse Gas Chromatography and Its Applications

Critical Reviews in Analytical Chemistry;  January 1, 2005 ;     333 words ...Time-Resolved Inverse Gas Chromatography and Its Applications. Nicholas...well as materials. Inverse gas chromatography can become time resolved...observations. Time-Resolved Inverse Gas Chromatography and its Applications is...

Delaware, Pennsylvania Inventors Develop Seal for Gas Chromatography

US Fed News Service, Including US State News;  August 8, 2008 ;     295 words ......Landenberg, Pa., have developed a gas chromatography connection tightening seal. According...fluid tight connection between a gas chromatography column and a sample inlet assembly...of sealing a connection between a gas chromatography sample inlet assembly and a gas ...

Organic compounds at different depths in a sandy soil and their role in...

Australian Journal of Soil Research;  May 1, 2005 ;     700+ words ......is caused by hydrophobic organic compounds deposited on soil mineral...1992; Doerr etal. 2000). The organic matter from which these compounds...originate from decomposing soil organic matter (McGhie and Posner...Home 1994). The types of organic compounds suggested in previous ...