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5 Ways to Extend a Gas Chromatography Column’s Life

The gas chromatography (GC) column is perhaps the most important component in the instrument. Various approaches can be used to extend a column’s life to ensure that it always operates at optimum efficiency thus allowing the column to perform the function of separating components efficiently and precisely. Correct Installation Extending a column’s life starts with …

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Atomizers in an Atomic Absorption Spectrophotometer (AAS)

The atomizers most commonly used nowadays are (spectroscopic) flames and electrothermal (graphite tube) atomizers. Other atomizers, such as glow-discharge atomization, hydride atomization, or cold-vapor atomization, might be used for special purposes. Flame atomizersThe oldest and most commonly used atomizers in AAS are flames, principally the air-acetylene flame with a temperature of about 2300 °C and the …

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Gas Chromatography

Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition. Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture. In preparative chromatography, GC can be used to prepare pure compounds …

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5 Gas Management Tips for Chromatography Systems (GC)

Gas management is important for gas chromatography systems (GC) for both analytical and practical considerations. Looking after the gas supply helps to ensure accurate results, and to reduce costs and downtime. Gas Cylinders Never allow gas cylinders to run dry. As the gas pressure in the cylinder drops, the chance that contaminants (like water or …

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