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Chromatography is a technique for separating chemical substances that relies on differences in partitioning behaviour between a flowing mobile phase and a stationary phase to separate the components in a mixture.
Gas chromatography is also used to monitor industrial processes automatically: gas streams are analyzed periodically and manual or automatic responses are made to counteract undesirable variations.
Many routine analyses are performed rapidly in environmental and other fields. For example, many countries have fixed moniotor points to continuously measure the emission levels of for instance nitrogen dioxides, carbon dioxide and carbon monoxide. Gas chromatography is also useful in the analysis of pharmaceutical products, alcohol in blood, essential oils and food products.
This is the end of the introduction of Gas–liquid chromatography. I hope it can help you.
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