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Technote demonstrates high performance LC-MS/MS analysis of trace PFAS in water a large-volume direct injection.
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.