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Courtesy of Curtis & Tompkins Laboratories
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.
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VOCs (Volatile Organic Compounds) perform many vital roles as fuels, solvents, cleaners, feedstock, sterilants etc. However, they can be harmful to health and the environment, so it is often necessary to monitor their concentration. By definition, organic compounds contain the element carbon, and exhibit similar chemical properties, which is advantageous from a monitoring perspective. However, these properties unfortunately vary widely between the many thousands of different VOCs, so in the following article...
GC-MS analysis of Moscow snow reveals new pollutants in the city air. Cities, with their traffic, industrial centers and factories, usually suffer from some degree of air pollution. Moscow, which houses all of these as well as power plants and an oil refinery, is no different. Regular monitoring of environmental pollutants is common practice in many cities and priority pollutants are detected and monitored. However, due to social and economic changes, which all cities are subject to, the environment within...
Molecular Science Corp’s (MSC) mobile lab travels across Canada for on-board cannabis testing. Their business demands a reliable nitrogen gas supply that can travel on their mobile lab and a cylinder nitrogen gas supply would not be feasible or safe for MSC to operate. When MSC opened their cannabis regulatory testing mobile lab, they knew how important it was to pick a gas generator that had the correct precision gas flow and purity that their SCIEX mass spectrometer required. The small footprint of Peak...
Ambient air is polluted by many semi-Volatile and Volatile Organic Compounds (SVOCs and VOCs) coming from anthropogenic and natural sources. VOCs from PAMS, TO14 and TO15 lists can be measured in many ranges of concentration, from pg/m3 up to mg/m3 depending on the location of the measurements. Due to the large number of molecules, the complete separation of all compounds is difficult to perform using chromatographic columns. Therefore, it is difficult to quantify precisely all compounds using a chromatograph...
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