There are many types of chemical chromatographs.
According to the purpose of separation, laboratory chemical chromatograph and industrial chemical chromatograph can be divided into two types.
According to the physical state of the stationary phase, it can be divided into gas-liquid chemical chromatograph, gas-solid chemical chromatograph, liquid-liquid chemical chromatograph and liquid-solid chemical chromatograph.
According to functions, it can be divided into analytical chemical chromatograph and preparative chemical chromatograph.
According to the operating pressure, it can be divided into low-pressure chemical chromatograph, medium-pressure chemical chromatograph and high-pressure chemical chromatograph.
According to the shape of the chromatographic column, it can be divided into packed column chemical chromatograph, capillary chemical chromatograph and flat plate chemical chromatograph (thin layer chemical chromatograph and paper chemical chromatograph).
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