Gas Chromatography
Gas Chromatography
Gas Chromatography
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How are the components of the mixture separated?• The column is packed with a highly porous, inertpowder (usually silica containing small amounts ofmetallic oxides). This powder is called the solidsupport.• The support is coated with a small amount ( usually 5–10% by weight) of a high boiling liquid before it ispacked into the column.