sampling voc Articles
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Sampling VOCs with Supel™-Inert Film Gas Sampling Bags
Sampling VOCs with Supel™-Inert Film Gas Sampling Bags with Thermogreen™ LB-2 Septa as an Alternative to Tedlar® For 10 years, Supelco has provided our customers with high quality Tedlar gas sampling bags. Recently, we expanded our gas sampling bag line to include an alternative to Tedlar for sampling VOCs that incorporates our low-bleed Thermogreen™ LB-2 septa in the valve ...
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Exploring US EPA Method 524 Purge and Trap Variables: Water Vapor Reduction and Minimizing Cycle Time
Introduction Purge and Trap (P&T) concentrators have been used extensively for the analysis of Volatile Organic Compounds (VOCs) in water since the mid 1970’s. By passing a purge gas through the sample, VOCs are swept to an adsorbent analytical trap on which they are collected. The trapped compounds are then released through thermal desorption, separated by gas chromatography, and then ...
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Methanol Extraction of high level soil samples by USEPA Method 8260C
Abstract In order to determine the concentration of Volatile Organic Compounds (VOCs) in soil and waste samples the USEPA developed Method 8260C in conjunction with preparative Method 5035. USEPA Method 5035 describes the process for which solids such as soils, are prepared using purge and trap technology This includes the handling of soils which exceed normal VOC concentration levels ...
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Analysis of Volatile Organic Compounds in Different Beverages
Abstract Volatile Organic Compounds (VOCs) have been a major concern of the U.S. Environmental Protection Agency (USEPA) leading strict regulations of VOCs present in drinking water. This study will focus on the amount of VOCs present in commercially available beverages. The analysis will utilize the Atomx, an automated VOCs sample prep system with an in-vial purge, in conjunction with gas ...
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Volatile Organic Compounds in Every Day Food
Abstract Volatile Organic Compounds (VOCs) have been analyzed in drinking water and pharmaceuticals extensively in recent years. Now, VOCs in food products have became a major interest among researchers. Utilizing an Atomx automated VOC sample prep system in conjunction with a gas chromatograph-mass spectrometer (GC/MS) will allow for the determination of VOCs in food products. The automated ...
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Case study N°AA7 – Ambiant air monitoring – VOC Purge & trap
Context & Challenges Volatile organic compounds (VOC) can be dissolved in water. Sometimes water is polluted and to study contamination of VOC in finished drinking water, VOC must be measured. Chromatotec Solutions Chromatotec has developed a specific system for the measurement of VOC in water: a Purge & Trap system, the airmoPURGE. The analyzer is coupled with a degasing system ...
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Using Hydrogen as an alternative Carrier Gas for US EPA 8260
Abstract Due to regional shortages and increasing costs of helium, the preferred carrier gas in gas chromatography, alternative carrier gas options are increasing in demand. This study will evaluate the Teledyne Tekmar Atomx VOC Sample Prep System in conjunction with a Thermo Scientific TRACE 1310 / ISQ GCMS while employing hydrogen GC carrier gas and nitrogen purge gas to perform EPA method ...
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Validation of USEPA Method 8260C Using Teledyne Tekmar Atomx, and Perkin-Elmer Clarus 600 GC/MS
Abstract In order to determine the concentration of volatile organic compounds (VOCs) in water and soil matrices the USEPA developed Method 8260C1 in conjunction with preparative Methods 50302 and 50353 . Water and soil samples were analyzed in this study. A working linear calibration curve and Method Detection Limits (MDLs) will be demonstrated for the target compound list. The water study used ...
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Reducing Cycle Time for Analysis of 1,4-Dioxane using an Atomx Automated Sample Prep System
Abstract In order to determine the concentration of volatile organic compounds (VOCs) in water and soil matrices the USEPA developed Method 8260C1 in conjunction with preparative Methods 50302 and 50353 . Water and soil samples were analyzed in this study. A working linear calibration curve and Method Detection Limits (MDLs) will be demonstrated for the target compound list. The water study used ...
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Analysis of Trichloroanisole in Wine and Cork using a Purge and Trap Multimatrix Autosampler
Abstract Due to its low odor threshold, 2,4,6-trichloroanisole (TCA), the compound responsible for “cork taint”, requires extremely sensitive analysis. TCA is a fungal metabolite of 2,4,6-trichlorophenol (TCP). Even minute contamination can cause issues with regards to taste. This study will demonstrate a purge and trap method for analyzing wine and cork samples at the ...
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Validation of Wisconsin Gasoline Range Organics
Abstract The Wisconsin DNR Modified Gasoline Range Organics (Wisconsin GRO) Method is used to determine gasoline and gasoline components in water and soil. The water samples are analyzed by purge and trap, while the soil samples undergo an additional methanol extraction. For this application note, a working linear calibration curve and quality control checks were evaluted by using a Teledyne ...
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Validation of Volatile Organic Compound by USEPA Method 8260C
Abstract In order to determine the concentration of volatile organic compounds (VOCs) in water and soil matrices the USEPA developed Method 8260C1 in conjunction with preparative Methods 50302 and 5035 3 . Water and soil sample analysis were analyzed in this study. A working linear calibration curve and Method Detection Limits (MDLs) will be demonstrated for various target compounds from the ...
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A Dynamic Site Investigation: Adaptive Sampling and Analysis Program for Operable Unit 1 at Hanscom Air Force Base, Bedford, Massachusetts
Abstract In this study, field analytical instrumentation and methods were used to support a risk assessment study at the airfield at Hanscom Air Force Base (HAFB, Bedford, Massachusetts). The site investigation is part of an ongoing effort to determine contaminant risk to ground water from soil. The field tools supported a dynamic workplan/adaptive sampling and analysis demonstration. Over a ...
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Comparison of BTEXS in Olive Oils by Static and Dynamic HT3 Headspace
Abstract Purge and trap concentration is a technique that is used for the analysis of Volatile Organic Compounds (VOCs). The major component of any purge and trap system is the analytical trap. This trap is responsible for retaining the VOCs during the purge cycle and then releasing them upon heating and transfer to the GC/MS for separation and detection. While most standard methods define the ...
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Analytical Trap Comparison for USEPA Method 8260C
Abstract Purge and trap concentration is a technique that is used for the analysis of Volatile Organic Compounds (VOCs). The major component of any purge and trap system is the analytical trap. This trap is responsible for retaining the VOCs during the purge cycle and then releasing them upon heating and transfer to the GC/MS for separation and detection. While most standard methods define the ...
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Validation of New VPH GC/MS Method using Multi-Matrix Purge and Trap Sample Prep System
Abstract The Massachusetts Department of Environmental Protection (MassDEP) developed the “Method for the Determination of Volatile Petroleum Hydrocarbons (VPH) by Gas Chromatography/ Mass Spectrometry” to measure the collective concentrations of volatile aliphatic and aromatic petroleum hydrocarbons in aqueous and soil/sediment matrices1. The previous method for VPH determination ...
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USEPA Method 8260C using the Tekmar Atomx Automated VOC Sample Prep System and a Thermo Focus/DSQ II GCMS
Abstract The United States Environmental Protection Agency (USEPA) developed Method 8260 to determine the concentration of Volatile Organic Compounds (VOCs) in water and soil matrices. USEPA Methods 5030 and 50351 are used to prepare water, soil and waste samples for analysis by USEPA Method 8260. USEPA Method 8260 was recently updated from 8260B to 8260C2 . In this study water and soil sample ...
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USEPA Method 8260C using the Tekmar Atomx Automated VOC Sample Prep System and a Thermo Focus/DSQ™ II GCMS
Abstract The United States Environmental Protection Agency (USEPA) developed Method 8260 to determine the concentration of Volatile Organic Compounds (VOCs) in water and soil matrices. USEPA Methods 5030 and 50351 are used to prepare water, soil and waste samples for analysis by USEPA Method 8260. USEPA Method 8260 was recently updated from 8260B to 8260C2 . In this study water and soil sample ...
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US EPA Method 524.2 with the Tekmar Lumin P&T Concentrator, AQUATek LVA and Agilent 7890B GC/5977A MS
Abstract US EPA Method 524.2 was used to determine the concentration of volatile organic compounds (VOCs) in drinking water. The Teledyne Tekmar Lumin purge and trap (P&T) concentrator, along with an AQUATek LVA (liquid vial autosampler) and Agilent 7890B GC/5977A MS was used to create a working linear calibration curve and method detection limits (MDLs) for target compounds. This study will ...
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USEPA Method 524.4 Using the Teledyne Tekmar Atomx and Thermo Scientific GC/MS System with New Helium Saver Module
Abstract Increasing concerns over the availability of helium, and its rising cost, has led the United States Environmental Protection Agency (USEPA) to update drinking water Method 524 to USEPA Method 524.4. This new method affords environmental laboratories increased Purge and Trap (P&T) parameter flexibility and permits the use of nitrogen as a sample purge gas. For this application note, ...
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