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Introducing the Micro-Chamber/Thermal Extractor for Rapid Emissions Screening of Products and Materials
7 Aug 2014Markes’ Micro-Chamber/Thermal Extractor™ (µ-CTE™) is a compact unit for the rapid sampling of volatile and semi volatile organic compounds (VOCs and SVOCs) emitted from materials, for subsequent analysis by thermal desorption–gas chromatography (TD–GC). This Application Note describes the underlying principles of the µ-CTE, provides evidence for its performance, and illustrates its applicability with three real-life examples.
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Atomic Absorption / Emission SpectroscopyAtomic absorption spectroscopy (AAS) and atomic emission spectroscopy (AES) — also called optical emission spectroscopy (OES) — are used to detect the elemental constituents in samples. Both techniques involve the atomization of a sample. Atomic absorption spectrometers may use a flame or furnace to create an atomic vapor of the sample before irradiation with spectral light. Optical emission spectrometers may use a flame, inductively coupled plasma (ICP), microwave plasma (MP) or spark arcs to atomize and excite the sample. At higher excitation energies, electrons can be emitted instead of photons, which can be useful for samples that can’t be atomized and for surface analysis. Explore electron spectroscopy equipment such as Auger spectrometers and photoelectron spectrometers for surface elemental analysis of samples. Find the best atomic absorption, photoelectron and optical emission spectrometers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Thermal DesorptionThermal desorption is a technique used to release volatile compounds from solid samples by heating them. It is often used in environmental testing and analysis of complex materials. Explore thermal desorption systems in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.ScreeningUsing robotics, data processing and control software, liquid handling devices and sensitive detectors, screening allows a researcher to quickly conduct millions of chemical, genetic or pharmacological tests.Compound ScreeningCompound screening is a method used to discover specific compounds that could be promising candidates for pharmaceutical use. This potential is identified when compounds interact with the target protein during screening and could therefore be carried forward in the drug development process.
