Fast pneumatic system for preparing columnar chromatograph and its utilization
A chromatographic system and preparative column technology, which is applied in the field of new pneumatic rapid preparative column chromatographic system, can solve problems such as inability to operate continuously, and achieve the effects of continuous operation performance, simple device, and high safety
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[0032] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0033] The ten-way valve B is respectively connected with an open solvent tank D and two closed solvent tanks E and F, a vacuum pump C, a two-way valve G, a release valve A, and the release valve A is connected to the compressed air inlet through pipelines. connection, the two-way valve G is sequentially connected with a sample injector H, a chromatographic column I, a detector J, and a fraction collector K.
[0034] When the ten-way valve B is in the first state a, the compressed air inlet is connected to the second closed solvent tank F and the chromatographic column I in turn to form a medium-pressure flow path; the open solvent tank D is connected to the first closed solvent tank in turn E. The vacuum pump C is connected to form a negative pressure flow path; when the ten-way valve B is switched to the second state b, the compressed air inlet is c...
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Abstract
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