There are many methods for classifying food chemistry liquid chromatographs.
1. According to the function, it can be divided into: analytical food chemical liquid chromatograph and preparative food chemical liquid chromatograph.
2, according to the injection of automatic can be divided: food chemical automatic injection liquid chromatography and food chemical manual injection liquid chromatography.
3, according to the purpose of separation can be divided: laboratory food chemical liquid chromatography and industrial food chemical liquid chromatography.
4. According to the polarity of the stationary phase and mobile phase, it can be divided into: normal phase food chemical liquid chromatograph and reversed phase food chemical liquid chromatograph.
5, according to the column can be divided: food chemical packed column liquid chromatograph and food chemical capillary column liquid chromatograph.
6, according to the number of gradients can be divided: food chemical two-element gradient liquid chromatography, food chemical ternary gradient liquid chromatography and food chemical quaternary gradient liquid chromatography.
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