カルシウムカーバイド反応カラムを用いるメタノールのガスクロマトグラフ分析
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概要
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A gas chromatographic method for determining traces of methanol in hydrocarbons by using calcium carbide has been developed. The sample injected as a pulse is passed through a tube of calcium carbide heated to 300°C, where the methanol is converted completely to acetylene dimethyl ether. Their mole ratio in this case is 65 : 35.<BR>The dimethyl ether is separated from hydrocarbons using an oxydipropionitrile column and is detected with a hydrogen flame ionization detector.<BR>The method is comparable to the colorimetric method.
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