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In order to answer that, you'd have to explain how, exactly, it's being used. I've personally never used sodium chloride for anything in gas chromatography, and can't think of anything it would be particularly well suited for in such an instrument.

Do you perhaps mean IR spectroscopy instead? Sodium chloride plates are often used for IR spectroscopy, because they're transparent to most of the "interesting" IR frequencies (i.e. those at which important absorption bands appear in typical organic molecules).

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13y ago

What else can I help you with?