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    It is used as stationary phase to make capillary column for gas chromatography by using sol-gel method.

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    Organic chlorine using ethyl acetate - cyclohexane and gel purification column extraction purification, quartz capillary gas chromatography (ECD allocation) detection.

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    Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.

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    The neutral coated capillary and 4% linear polyacrylamide gel buffer were used, and the wave length of ultraviolet detector was 254 nm.

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    Using potassium silicate as silicon source, formamide as catalyst, a series of silica xerogel monolithic columns with different consistencies were prepared.

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  • 硅酸甲酰胺催化剂毛细管内原位聚合形成干凝胶制备一系列致密度不同整体

    Using potassium silicate as silicon source, formamide as catalyst, a series of silica xerogel monolithic columns with different consistencies were prepared.

    youdao

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