Sampling and GCMS Analysis of BTEX/TCE/PCE in Ambient Air using Diffusive Sorbent Pens and a Simplified “In-Oven” Secondary Trapping System
Abstract A new solution is presented for diffusive collection of BTEX/TCE/PCE in ambient and indoor air over extended period of time, followed by thermal desorption analysis by GCMS. Detection limits range from low part per trillion in ambient air, with support for higher concentrations in fenceline monitoring and other applications simply by increasing the split […]
EPA OTM-50 Analysis of PFAS/VFC Incineration Byproducts with Measurement of all Compounds in a Single Analysis while Managing High CO2 Levels and Improving System Hygiene
PFAS compounds and their effects on human health are becoming a major concern, so numerous methods have been appearing for their effective measurement in water, soil, food, and air samples. A new Draft Method OTM-50 from the US EPA has addressed the very volatile range of PFAS/VFC compounds from CF4 (b.p -128 °C) through Octadecafluoro […]
Multi-Capillary Column Enrichment of Flavor, Fragrance, and Off-Odor Compounds In Foods and Consumer Products During Large Volume Headspace/GCMS Analysis
Direct Headspace Enrichment on GC Columns Rather than Packed Traps or Fibers to Optimize Sensitivity and Quantitative Recovery of Volatile Constituents
Flash-VASE Application Note
Extractables & Leachables Testing of Plastic Water Bottles and Their Contents using VASE and Flash-VASE Sample Preparation and GCMS Analysis
LVSH Application Note
Large Volume Static Headspace for Flavor/Fragrance Analysis by GC-MS Using Novel Hybrid Capillary/Packed Sorbent Traps
FEVE30 Application Note
Full Evaporative Vacuum Extraction – A Quantitative and Green Approach for Analysis of Semi-volatile Organic Compounds in Water Using GC-MS
Oral Rinse Application Note
A Comparison in the Analysis of Volatile and Semi-volatile Organic Compounds in Oral Rinse vs Whole Breath Sampling using Vacuum Assisted Sorbent Extraction and GC-MS
Analysis of Ethylene Oxide at Low Part-Per-Trillion Levels
Analysis of Ethylene Oxide at Low Part-Per-Trillion Levels by GCMS Utilizing a Next Generation, Non-Cryogenic Preconcentrator with Multi-Capillary Column Traps to Reduce Background Interferences for Improved Method Detection Limits Ethylene Oxide is a highly toxic chemical that increases carcinogenic, reproductive, and developmental risks eave at part per trillion levels. The EPA recently increased its […]