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Optimal VOC Method Parameters for the StratUm PTC Purge & Trap Concentrator

Environmental laboratories have utilized the Purge & Trap sample concentration technique for over 30 years. This classical technique offers many benefits in regards to increasing sample throughput without ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

Novel Approach in the Profiling of Volatile Organic Compounds in Water Utilizing the Stratum PTC and AQUATek Autosampler

The Analysis of drinking and raw source water for volatile organic impurities and priority pollutants (Methods 524.2 and 624) can be performed using several techniques. The new Stratum PTC, Purge & Trap ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

Analysis of Fuel Oxygenates in Water by Purge and Trap

Oxygenates such as methyl tert-butyl ether (MTBE) have been added to gasoline since the late 1970’s. In 1990 congress passed the Clean Air Act, and in 1995, implemented the requirements which led to an incre ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

Analysis of Low Concentration Oxygenates in Environmental Water Samples Using Purge and Trap Concentration and Gas Chromatography/Mass Spectrometry

The frequent use of oxygenate additives in gasoline to produce clean burning fuels has led to widespread and well documentated contamination of ground water and drinking water supplies. The phasing out of me ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

Reducing Cycle Times with the Velocity XPT Purge and Trap Sample Concentrator

The analysis of Volatile Organic Compounds (VOCs) by Purge and Trap is one of the largest analyses in the environmental laboratory industry. High sample throughput is necessary to improve productivity, one a ...

Resource - admin - 20th Dec 2011 - 0 comments

Velocity XPT Purge and Trap Throughput Enhancements: Implementing a New Technology to Improve the Process

In the highly competitive commercial environmental laboratory business, productivity improvements are essential in order to maintain and increase profitability. This translates into the ability to analyse mo ...

Resource - Susan Gilbert - 20th Dec 2011 - 0 comments

Performance of a Next Generation Vial Autosampler for the Analysis of VOCs in Water Matrices

In today’s laboratories, increased efficiency and productivity are of extreme importance. Equally important is the ability to automate analysis without sacrificing sample integrity or data quality. A new vi ...

Resource - Susan Gilbert - 19th Dec 2011 - 0 comments

The AQUATek 70 Liquid Autosampler Precision and Cleanliness Capabilities

Precision of both sample transfer and standard addition are critical for any autosampler. Furthermore, autosamplers must conserve standard reagents and demonstrate minimal carryover. The Tekmar AQUATek 70™ ...

Resource - Susan Gilbert - 19th Dec 2011 - 0 comments

EPA Method RSK-175 Dissolved Gasses in Water Matrices using the Teledyne Tekmar HT3 Headspace Analyser

The analysis of dissolved gases in ground water is important in determining whether intrinsic bioremediation is occurring in a fuel contaminated area. The gases of concern include methane, ethane, and ethyle ...

Resource - Susan Gilbert - 19th Dec 2011 - 0 comments

Parts Per Trillion Determination of Volatile Organic Compounds in Water using Automated Headspace Extraction with the GERSTEL MPS and CTS-2 Cryofocusing Unit on an Agilent GC-MS

Static headspace extraction with gas chromatography-mass spectrometry (HS-GC/MS) is an established technique for the determination of volatile organic compounds (VOCs) in drinking water and waste water. Anal ...

Resource - Susan Gilbert - 19th Oct 2011 - 0 comments