gc ms Articles

221 Results found

Doubling the SRF production capacity with TANA Shark

by Tana Oy  (Sep. 24, 2014)

A company in France operating in landfill, waste management and fuel production businesses produces SRF (Solid Recovered Fuel) from unsorted industrial waste for their own mill. The key for improving productivity of all these three business areas is a more effective shredding process to increase the low SRF production capacity. TANA ran a ...

GC-MS/MS Analysis of Pesticides in Drinking Water

by Shimadzu Scientific Instruments Inc  (Oct. 2, 2014)

According to Japan’s list of drinking water quality control substances, pesticides are included as supplemental items subject to analysis. Designed to complement the standards, the Ministry of Health, Labour and Welfare encourages water utilities to monitor pesticide levels and achieve specified targets. Among the 102 listed pesticides, 84 ...

Quantitative Determination of Volatile Organic Compounds in Drinking Water by EPA Method with Headspace Trap GC-MS

by Shimadzu Scientific Instruments Inc  (Aug. 6, 2014)

Volatile Organic Compounds (VOCs) refer to a group of easily vapourised organic compounds. Under atmospheric pressure, these compounds boil below 250C. Studies have shown that prolonged exposure to the VOCs could increase the risk of various health problems, such as cancer. VOCs are commonly present in gasoline, dry cleaning solvents and ...

Analysis of Opioids Using Isotope Dilution with GCMS-TQ8030 GC/MS/MS

by Shimadzu Scientific Instruments Inc  (Jul. 2, 2014)

Development of methods for analysis of drugs of abuse has become a high priority for both forensic toxicology and law enforcement. The large numbers of individual drugs and new "designer drugs" has made method development for these compounds a significant undertaking. Gas chromatography mass spectrometry (GCMS) has been used extensively for ...

GC/MS analysis of a complex sample in DCM using hydrogen carrier gas

by Peak Scientific Instruments Ltd  (Jul. 2, 2014)

Labs worldwide have recently found that helium has been in short supply, leaving a number of labs without carrier gas. Added to this, helium prices have doubled over the past 10 years causing a number of labs to look into alternative carrier gases for GC, such as nitrogen and hydrogen. As well as lower price and unlimited availability, hydrogen ...

Extraction & Analysis of PAHs in Olive Oil Using SupelMIP SPE – PAHs and GC-MS

by Sigma-Aldrich/Supelco  (Sep. 5, 2013)

Polyaromatic hydrocarbons (PAHs) consist of fused aromatic rings and are formed as a by-product during the combustion of fuels. Seven PAHs in particular are known for their carcinogenic properties: benz[a]anthracene, benzo[a]pyrene, benzo[b]fluoranthene, benzo[k]fluoranthene, chrysene, dibenz[a,h]anthracene, and indeno[1,2,3-cd]pyrene. As such, ...

airmoTWA: New Expert System for GC-FID/MS

by Chromatotec Group  (May 1, 2014)

Chromatotec has developed the first TRAP-GC-FID/MS designed for continuous monitoring of Volatile Organic Compounds (VOCs), inorganic molecules and permanent gases. In addition to the mass spectrometer (MS), this system encompasses the same trap, thermo desorption and separation technologies as airmoVOC analyzers (current mCERTS approved GCs ...

Analysis of PCBs and Organochlorinated pesticides in river water using simultaneous Scan/MRM measurement in GC-MS/MS

by Shimadzu Scientific Instruments Inc  (Nov. 1, 2013)

PCBs and some chlorinated pesticides are resistant to decomposition in the environment, and tend to accumulate in living organisms. As a result, they are designated as POPs (Persistent Organic Pollutants) under the Stockholm Convention. In monitoring these environmental pollutants in river water and sludge, sensitivity for the detection of trace ...

GC/MS-SIM-An option for lower detection limits

by Curtis & Tompkins Laboratories  (Jul. 16, 2013)

Select Ion Monitoring mode (GC/MS-SIM) is a technique used to perform low level GC/MS measurements of organic compounds. GC/MS-SIM can reduce reporting limits 10-100 fold and can minimize the effects of matrix interferences.                                   ...

GC-MS Analysis of Polychlorinated Dibenzodioxins and Polychlorinated Dibenzofurans

by Sigma-Aldrich/Supelco  (Jun. 5, 2012)

Polychlorinated dibenzodioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) consist of 210 different compounds with varying degrees of toxicity, and the 17 congeners with chlorine substitution in the 2,3,7,8 positions are considered the most toxic. This chromatogram illustrates the separation of a 17 component 2,3,7,8-substituted PCDD and ...

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