Sponsored Content - EU
Using a PFAS delay column is an effective way to separate target PFAS in samples from interferences caused by PFAS contamination in the LC system.
Fluorotelomer Alcohols in Indoor Air
Monitoring of per- and polyfluoroalkyl substances (PFAS) in air is successfully performed by the US EPA using Thermal Desorption-GC/MS.
Determination of Formaldehyde Emissions from E-Liquids
Novel Thermal Desorption-GC/MS method for determination of formaldehyde using PFPH, automatically loaded onto Tenax TA adsorbent, as derivatization agent.
VDA 278 Method Transition to TD 3.5+
GERSTEL TD 3.5+ Thermal Desorber successfully passes method VDA278 system performance test for automobile material emissions increasing sample capacity and throughput.
Ambient Air Analysis with Dynamic Focusing
VOCs collected from air onto a sorbent packed tube are released by thermal desorption and focused for GC-MS determination using the novel cryogen free dynamic focusing
NanoPak-C All Carbon Solid Phase Extraction (SPE) of Organochlorine Pesticide from Trace Amounts of Environmental Samples
We present a reliable NanoPak-C All Carbon SPE method for extracting and detecting 15 OCPs from small quantities of soil (100 mg) and river water (200 µL) samples.
Draft Method 1634: Determination of 6PPD-Quinone in Aqueous Matrices Using SPE & LC/MS/MS
This app note outlines SPE extraction of water samples following EPA Draft Method 1634, comparing polymeric HLD SPE cartridges and polymeric HLB SPE cartridges.