ResourceEnvironmental
Using Alternative Carrier Gases with Accelerated ASTM D2887 Simulated Distillation Analysis
16 Jun 2016This application note shows that with an MXT®-1HT SimDist column and Restek’s EZGC® online method translator, existing methods using helium can be easily converted to either hydrogen or nitrogen carrier gas. Because retention times are preserved with proper method translation, there are minimal changes to peak identification tables, which significantly simplifies method validation.
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MXT®-1HT SimDist Column
Restek Corp.Accurate boiling point determination for medium and heavy fractions using GC simulated distillation requires columns and phase polymers that are robust enough to withstand high temperatures without significant degradation.
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Gas ChromatographyGas chromatography (GC) is an analytical technique used to separate and quantitate mixtures of small and volatile compounds. Gas chromatographs or GC systems include components such as GC columns, detectors, pumps and autosamplers. Choose from packed or capillary GC columns, flame ionization (FID), photoionization (PID) electron capture detectors and selective or non-selective detectors. Find the best gas chromatographs in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.Gas Generators and AnalyzersGas generators are used for supplying or monitoring a regular flow of a high purity gas such as nitrogen, hydrogen or zero air for applications such as gas chromatography. Gas analyzers can be used in supply chain processes and laboratory experiments with portable analyzers for monitoring CO<sub>2</sub> and O<sub>2</sub> levels as well as trace gases. Regular flow can be produced with gas control modules and flow meters. Find the best gas generators and analyzers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Gas AnalysisGas analysis is used to measure the composition of gases in various environments, such as industrial processes, air quality monitoring, and environmental studies. Techniques like gas chromatography and mass spectrometry are commonly used. Explore gas analysis tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.Carrier GasHydrogenMethod ValidationMethod validation is the process used to prove that the analytical procedure used for a particular test is capable of providing suitable data.DistillationNitrogenHelium