Gas chromatograph packed column inner wall cleaning
Time:2018/10/16 Pageviews:0 Share:
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The gas chromatograph column should be cleaned before use.HPLC vials china For stainless steel columns, the inner wall can be soaked with 10% hot sodium hydroxide solution to remove oil, then rinsed with 1:20 dilute hydrochloric acid, and finally washed with water until neutral.
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The cleaning method of the gas chromatograph glass column is similar. In order to reduce the active center on the surface of the glass, after washing and drying, it can be soaked in a toluene solution of 5% dimethyldichlorosilane for about 12 hours, and finally washed with toluene and methanol and dried for use.HPLC vials china
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