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VASE - Vacuum Assisted Sorbent Extraction

Flavors, Odors, and Contaminants in Alcoholic Beverages using Vacuum Assisted Sorbent Extraction (VASE) and GC/MS Analysis
Flavors, Odors, and Contaminants in Alcoholic Beverages using Vacuum Assisted Sorbent Extraction (VASE) and GC/MS Analysis
A new technique for analyzing the overall full range of volatile to semi-volatile organic compounds in high alcohol containing beverages using Vacuum Assisted Sorbent Extraction (VASE) in headspace paired...
Size990.78 KB
Downloaded35 times
Last UpdatedJune 14, 2017
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Quantitative Headspace Measurement of Volatiles in Dairy Products using Vacuum Assisted Sorbent Extraction (VASE) & GCMS Analysis
Quantitative Headspace Measurement of Volatiles in Dairy Products using Vacuum Assisted Sorbent Extraction (VASE) & GCMS Analysis
The headspace analysis of some dairy products has been evaluated using a new sample preparation technique called “Vacuum Assisted Sorbent Extraction” (VASE) that improves the recovery of heavier and...
Size990.78 KB
Downloaded44 times
Last UpdatedApril 19, 2017
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    Air Sampling

    Monitoring of Siloxanes in Landfill and Digester Gas using Advanced Silonite
    Monitoring of Siloxanes in Landfill and Digester Gas using Advanced Silonite
    Abstract A complete monitoring solution for the measurement of Siloxanes from 10-2500 PPBv in Landfill and Digester Gas is presented. Stainless steel vacuum sampling canisters with a newly improved Silonite...
    Size1.30 MB
    Downloaded23 times
    Last UpdatedMay 24, 2017
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    Passive Collection of Volatile Compounds in Air using a Novel Adsorbent Sampler with Direct, Rapid Injection into a Capillary GCMS without Secondary Focusing
    Passive Collection of Volatile Compounds in Air using a Novel Adsorbent Sampler with Direct, Rapid Injection into a Capillary GCMS without Secondary Focusing
    Abstract A new solution for the passive monitoring of Volatile compounds to sub-PPB levels in air is presented. New adsorbent based sampling devices called Sorbent™ Pens are used to passively collect...
    Size1.77 MB
    Downloaded5 times
    Last UpdatedMay 24, 2017
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    Preparing Gas Phase Standards from Neat Chemicals to Support Air Monitoring in the Workplace
    Preparing Gas Phase Standards from Neat Chemicals to Support Air Monitoring in the Workplace
    ABSTRACT An approach for generating gas phase standards to support air monitoring using the canister technique is presented. A software program called ESP 2.0 performs the calculations to prepare low to...
    Size1.02 MB
    Downloaded636 times
    Last UpdatedJanuary 26, 2017
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    Helium Diffusion Sampling for Personal Monitoring by EPA Method TO15
    Helium Diffusion Sampling for Personal Monitoring by EPA Method TO15
    ABSTRACT A new, simplified approach for filling air sampling canisters during personal monitoring of work place airborne chemicals is described. Helium Diffusion Sampling Personal Monitors (HDS-PM) are...
    Size1.02 MB
    Downloaded648 times
    Last UpdatedJanuary 26, 2017
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    Improved Performance And Dynamic Range For EPA Method TO-15 using the Entech 7200 and Agilent 7890B/5977 GCMS
    Improved Performance And Dynamic Range For EPA Method TO-15 using the Entech 7200 and Agilent 7890B/5977 GCMS
    Canister sampling and analysis for measurement of volatile chemicals is finding use in a growing number of diversified applications. This has required air laboratories to accommodate an even wider dynamic...
    Size1.96 MB
    Downloaded402 times
    Last UpdatedMay 24, 2017
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    Sampling with MiniCans and Bottle-Vacs
    Sampling with MiniCans and Bottle-Vacs
    ABSTRACT Canisters offer a simple and highly effective means of measuring volatile chemicals in air ranging from PPM to sub-PPB levels. The “GC grade” internal surfaces of canisters allow for a much...
    Size178.66 KB
    Downloaded378 times
    Last UpdatedJanuary 26, 2017
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    Improving the Performance of Time Integrated Sampling of TO14 Compounds into Stainless Steel Canisters
    Improving the Performance of Time Integrated Sampling of TO14 Compounds into Stainless Steel Canisters
    ABSTRACT Time integrated sampling of TO14 compounds into stainless steel canisters was evaluated under a variety of conditions. Four different flow controllers were tested at temperatures ranging from...
    Size259.23 KB
    Downloaded302 times
    Last UpdatedJanuary 26, 2017
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    Helium Diffusion Sampling for Indoor Air by EPA Method TO15
    Helium Diffusion Sampling for Indoor Air by EPA Method TO15
    ABSTRACT A new, simplified approach for filling air sampling canisters or containers during monitoring of environmental pollutants in air is described. Canisters or Bottle-Vac's are filled with helium...
    Size529.15 KB
    Downloaded290 times
    Last UpdatedJanuary 26, 2017
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    Strong similarities between night-time deposition velocities of carbonyl sulphide and molecular hydrogen inferred from semi-continuous atmospheric observations
    Strong similarities between night-time deposition velocities of carbonyl sulphide and molecular hydrogen inferred from semi-continuous atmospheric observations
    ABSTRACT We investigated the diurnal variations of atmospheric carbonyl sulphide (COS) during 2011 at Gif-sur-Yvette, a suburban atmospheric measurement site in France. These data were collected semi-continuously...
    Size1.47 MB
    Downloaded208 times
    Last UpdatedJanuary 26, 2017
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    Improving Canister Sampling Accuracy and Reliability Using Helium Diffusion Sampling into Silonite Coated Stainless Steel Canisters
    Improving Canister Sampling Accuracy and Reliability Using Helium Diffusion Sampling into Silonite Coated Stainless Steel Canisters
    A new, simplified approach for filling air sampling canisters during monitoring of Environmental pollutants in air is described. The new approach uses helium diffusion to drive the sampling process in...
    Size356.20 KB
    Downloaded278 times
    Last UpdatedJanuary 26, 2017
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    Laboratory Air Analysis

    Monitoring of Siloxanes in Landfill and Digester Gas using Advanced Silonite
    Monitoring of Siloxanes in Landfill and Digester Gas using Advanced Silonite
    Abstract A complete monitoring solution for the measurement of Siloxanes from 10-2500 PPBv in Landfill and Digester Gas is presented. Stainless steel vacuum sampling canisters with a newly improved Silonite...
    Size1.30 MB
    Downloaded23 times
    Last UpdatedMay 24, 2017
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    EPA Method TO15 Canister Analyzer with High Throughput Screening for Detection of High Concentration Soil Gas Samples Without the Threat of System Contamination
    EPA Method TO15 Canister Analyzer with High Throughput Screening for Detection of High Concentration Soil Gas Samples Without the Threat of System Contamination
    Abstract A new technique is available that can warn the TO15 analyst of the presence of high concentration samples before exposure to the trapping system. A totally separate flow path is used to send a...
    Size2.69 MB
    Downloaded16 times
    Last UpdatedMay 24, 2017
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    Improved Performance And Dynamic Range For EPA Method TO-15 using the Entech 7200 and Agilent 7890B/5977 GCMS
    Improved Performance And Dynamic Range For EPA Method TO-15 using the Entech 7200 and Agilent 7890B/5977 GCMS
    Canister sampling and analysis for measurement of volatile chemicals is finding use in a growing number of diversified applications. This has required air laboratories to accommodate an even wider dynamic...
    Size1.96 MB
    Downloaded402 times
    Last UpdatedMay 24, 2017
    Download

    Improving the Performance of Time Integrated Sampling of TO14 Compounds into Stainless Steel Canisters
    Improving the Performance of Time Integrated Sampling of TO14 Compounds into Stainless Steel Canisters
    ABSTRACT Time integrated sampling of TO14 compounds into stainless steel canisters was evaluated under a variety of conditions. Four different flow controllers were tested at temperatures ranging from...
    Size259.23 KB
    Downloaded302 times
    Last UpdatedJanuary 26, 2017
    Download

    Helium Diffusion Sampling for Indoor Air by EPA Method TO15
    Helium Diffusion Sampling for Indoor Air by EPA Method TO15
    ABSTRACT A new, simplified approach for filling air sampling canisters or containers during monitoring of environmental pollutants in air is described. Canisters or Bottle-Vac's are filled with helium...
    Size529.15 KB
    Downloaded290 times
    Last UpdatedJanuary 26, 2017
    Download

    Strong similarities between night-time deposition velocities of carbonyl sulphide and molecular hydrogen inferred from semi-continuous atmospheric observations
    Strong similarities between night-time deposition velocities of carbonyl sulphide and molecular hydrogen inferred from semi-continuous atmospheric observations
    ABSTRACT We investigated the diurnal variations of atmospheric carbonyl sulphide (COS) during 2011 at Gif-sur-Yvette, a suburban atmospheric measurement site in France. These data were collected semi-continuously...
    Size1.47 MB
    Downloaded208 times
    Last UpdatedJanuary 26, 2017
    Download

    Accurate Monitoring of Sulfur Compounds in Silonite® Fused Silica Lined Canisters Utilizing a New Approach for Water Removal During Field Sampling
    Accurate Monitoring of Sulfur Compounds in Silonite® Fused Silica Lined Canisters Utilizing a New Approach for Water Removal During Field Sampling
    Glass and Silonite® ceramic treated stainless steel canisters oer higher recoveries of TO-15 Compounds than many other sampling devices, including electropolished canisters, Tedlar® bags and thermal...
    Size125.06 KB
    Downloaded326 times
    Last UpdatedJanuary 26, 2017
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    A Cleaner, More Sensitive Approach to EPA Method 8260 Using Large Volume Static Headspace and Active SPME Preconcentration Prior to GCMS Analysis
    A Cleaner, More Sensitive Approach to EPA Method 8260 Using Large Volume Static Headspace and Active SPME Preconcentration Prior to GCMS Analysis
    An improved approach for performing EPA method 8260 is presented. Large Volume Static Headspace (LVSH) sample introduction is used which improves method sensitivity relative to standard Purge & Trap...
    Size1.45 MB
    Downloaded321 times
    Last UpdatedJanuary 26, 2017
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    A More Comprehensive And Sensitive Method For CO2 Quality Assurance
    A More Comprehensive And Sensitive Method For CO2 Quality Assurance
    Abstract A technique for the comprehensive analysis of contaminants in Carbon Dioxide has been developed which quantifies a wide range of compounds that previously required multiple methods. Samples are...
    Size326.95 KB
    Downloaded316 times
    Last UpdatedJanuary 26, 2017
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    Enhanced Preconcentrator for the Analysis of Vapor Phase Volatile Organic Compounds
    Enhanced Preconcentrator for the Analysis of Vapor Phase Volatile Organic Compounds
    Abstract Analysis of volatile organic compounds (VOCs) in ambient air or other vapor phase matrices, such as soil gas, product off gassing, or large volume headspace has been enhanced by improvements in...
    Size1.51 MB
    Downloaded322 times
    Last UpdatedJune 22, 2017
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    Headspace Analysis

    Flavors, Odors, and Contaminants in Alcoholic Beverages using Vacuum Assisted Sorbent Extraction (VASE) and GC/MS Analysis
    Flavors, Odors, and Contaminants in Alcoholic Beverages using Vacuum Assisted Sorbent Extraction (VASE) and GC/MS Analysis
    A new technique for analyzing the overall full range of volatile to semi-volatile organic compounds in high alcohol containing beverages using Vacuum Assisted Sorbent Extraction (VASE) in headspace paired...
    Size990.78 KB
    Downloaded35 times
    Last UpdatedJune 14, 2017
    Download

    A Cleaner, More Sensitive Approach to EPA Method 8260 Using Large Volume Static Headspace and Active SPME Preconcentration Prior to GCMS Analysis
    A Cleaner, More Sensitive Approach to EPA Method 8260 Using Large Volume Static Headspace and Active SPME Preconcentration Prior to GCMS Analysis
    An improved approach for performing EPA method 8260 is presented. Large Volume Static Headspace (LVSH) sample introduction is used which improves method sensitivity relative to standard Purge & Trap...
    Size1.45 MB
    Downloaded321 times
    Last UpdatedJanuary 26, 2017
    Download