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Sewer sulphur compounds: Odour characterised by GC with sulphur chemiluminescence detection

Date: Mar 23, 2015

Author: Steve Down

Volatile sulphur compounds that contribute to the bad odour in sewers have been measured by GC with a sulphur chemiluminescence detector, revealing diurnal variations in Sydney sewers.

Read More thumbnail image: Sewer sulphur compounds Odour characterised by GC with sulphur chemiluminescence detection

Journal Highlight: Assessment of ovarian cancer conditions from exhaled breath

Date: Mar 16, 2015

Author: separationsNOW

GC/MS analysis of exhaled breath has identified several potential biomarkers of ovarian cancer and the results were repeated using tailor-made nanoarrays.

Read More thumbnail image: Journal Highlight Assessment of ovarian cancer conditions from exhaled breath

White truffle aroma: Storage changes from 2D GC study

Date: Feb 23, 2015

Author: Steve Down

The volatile profile of stored white truffles has been studied by 2D GC with dual detection, indicating that paper is the best short-term storage aid for maintaining the special aroma.

Read More thumbnail image: White truffle aroma Storage changes from 2D GC study

Journal Highlight: Reducing variation in decomposition odour profiling using comprehensive two-dimensional gas chromatography

Date: Feb 16, 2015

Author: separationsNOW

Comprehensive two-dimensional gas chromatography coupled with time-of-flight mass spectrometry provides suitable chromatographic resolution for profiling the VOCs contributing to decomposition odour in soil.

Read More thumbnail image: Journal Highlight Reducing variation in decomposition odour profiling using comprehensive two-dimensional gas chromatography

Atmospheric caves: 2D GC finds airborne volatiles

Date: Feb 2, 2015

Author: Steve Down

Cave atmospheres have been examined by 2D gas chromatography for the first time in a study that could be useful for terrestrial and astrobiological research.

Read More thumbnail image: Atmospheric caves 2D GC finds airborne volatiles

Phthalates in soil: GC reveals industrial contamination

Date: Jan 26, 2015

Author: Steve Down

The levels of six phthalate esters in the soil near an electronics manufacturing facility in China have been measured by gas chromatography following gas purge microsyringe extraction.

Read More thumbnail image: Phthalates in soil GC reveals industrial contamination

Journal Highlight: A multidimensional gas chromatography method for the analysis of hydrogen sulfide in crude oil and crude oil headspace

Date: Jan 19, 2015

Author: separationsNOW

2D Heartcutting GC was used to analyse dissolved hydrogen sulfide in crude samples, the gaseous hydrogen sulfide measurements being compared to liquid hydrogen sulfide measurements for the same sample set.

Read More thumbnail image: Journal Highlight A multidimensional gas chromatography method for the analysis of hydrogen sulfide in crude oil and crude oil headspace

Parallel lines for GC: Simultaneous parallel field ionisation and electron ionisation detectors

Date: Jan 6, 2015

Author: Steve Down

A gas chromatograph has been successfully connected to electron ionisation and field ionisation mass spectrometers in parallel, allowing the simultaneous analysis of structurally diverse compounds in one run.

Read More thumbnail image: Parallel lines for GC Simultaneous parallel field ionisation and electron ionisation detectors

Milky phthalates: GC/MS method for 19 phthalate esters

Date: Dec 22, 2014

Author: Steve Down

A total of 19 phthalate esters have been measured in milk and milk powder by GC/MS following a QuEChERS technique and could be extended to other foodstuffs.

Read More thumbnail image: Milky phthalates GCMS method for 19 phthalate esters

Journal Highlight: Enantiomeric separation in comprehensive two-dimensional gas chromatography with accurate mass analysis

Date: Dec 15, 2014

Author: separationsNOW

Chiral comprehensive 2D-GC coupled to quadrupole–accurate mass TOFMS was evaluated for its capability to report the chiral composition of several monoterpenes, namely, α-pinene, β-pinene and limonene, in cardamom oil.

Read More thumbnail image: Journal Highlight Enantiomeric separation in comprehensive two-dimensional gas chromatography with accurate mass analysis
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