POSTER: Vacuum Assisted Sorbent Extraction (VASE) and a Dual-Column Thermal Desorption Approach for GC-MS Analysis of Trace-Level Polycyclic Aromatic Hydrocarbons (PAHs)
Authors: Victoria L. Noad, Sage J. B. Dunham, and Daniel B. Cardin Overview • A new instrument design and methodology for trace-level headspace analysis of polycyclic aromatic hydrocarbons (PAHs) is described. • Using a 1 mL sample of water, quantitation from 5 ppt – 10 ppb is demonstrated for a wide range of polycyclic aromatic hydrocarbons […]
POSTER: Solvent-Free Terpene & Cannabinoid Profiling of Cannabis Consumer Products using Vacuum Assisted Sorbent Extraction (VASE) Thermal Desorption-GC-MS
Authors: Victoria L. Noad, Sage J. B. Dunham, and Daniel B. Cardin Overview Due to recent legislative changes, consumption of cannabis products are becoming accepted as a medical treatment and a mainstream recreational product worldwide including many US states and Canada. Reliable analytical methods are critical to ensuring consistent dosing, efficacy, and safety. Current techniques […]
7200A – Fast US EPA TO15 Analysis Providing Higher Productivity using the new Entech 7200A and Agilent 7890B/5977 GCMS
INTRODUCTION Canister sampling and analysis for measurement of volatile chemicals is finding use in a growing number of diversified applications. This includes analysis of VOCs in Ambient Air, Indoor Air, Vapor Intrusion, Soil Gas, Landfill Gas, Stack Gas, Fixed Gas Cylinder Purity, and others. As the EPA Method TO15 market continues to grow, there is an increasing need to improve laboratory throughput. Reducing cycle […]
Performance Comparison – Volatiles Analysis of Samples with Elevated CO2 & Methane Levels. 7200 Packed-Trap Preconcentrator vs 7200CTS Capillary Column Trap Preconcentrator
Canister sampling and analysis for measurement of volatile chemicals is finding use in a growing number of diversified applications.
Performance Comparison – Volatiles Analysis of Samples Applet
Performance Comparison Applet
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
Expanding the Molecular Weight Range of Whole Air Sampling with Stainless Steel Canisters using Active SPME Sample Preparation and GCMS Analysis
Expanding the Molecular Weight Range of Whole Air Sampling with Stainless Steel Canisters using Active SPME Sample Preparation and GCMS Analysis
A Simple, More Reliable Time Integrated Whole Air Sampling Approach To EPA Method TO15 Using Helium Diffusion Sampling
Helium Diffusion Sampling for Personal Monitoring by EPA Method TO15
POSTER: The Combination of 3 New Sampling Techniques paired with GCMS for Determination of Up take Rates and Accurate Monitoring of SVOC Endocrine Disruptors in Indoor Air
Daniel B. Cardin and Victoria L. Noad Abstract A novel approach for the quantitative passive sampling of SVOCs in ambient and indoor air down to low part per trillion levels is presented. The new approach solves issues which have prevented quantitative passive monitoring in the past, including: 1. Obtaining accurate uptake rates for all target […]
A new method for simultaneous analysis of semi-volatile organic compounds in outdoor/indoor air of large office buildings
Exposure to various groups of SVOCs, particularly in the indoor air, is of increasing concern worldwide.