Membrane type solid-phase extraction device
A technology of extraction device and solid phase extraction membrane, which is applied in ion exchange treatment device, ion exchange regeneration, ion exchange and other directions, can solve the problems of inability to remove the moisture of the eluent at the same time, inconvenient discharge of waste liquid, unfavorable analysis of pollutants, etc. , to achieve the effect of simple structure, low instrument cost and low cost
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[0035] like figure 1 As shown, a membrane type solid phase extraction device comprises a sample bottle 1, a sample bottle plug 2, a stopper 3, a sample cup 4, a sample cup plug 5, an infusion tube 6, a first screen 7, Solid phase extraction diaphragm 8, pressure ring 9, joint 10, dehydration cup 11, screw cap 12, hydrophobic membrane 13, second screen 14, receiving bottle 15, vacuum box 16, vacuum pump 17, drain pipe 18, drain valve 19 , the rubber stopper 2 of the sample bottle is installed on the bottle mouth of the sample bottle 1, the rubber plug 2 of the sample bottle is provided with a through plug socket 20, the plug 3 is installed in the plug socket 20, and the rubber plug 2 of the sample cup is installed On the mouth of the sample cup 1, one end of the infusion tube 6 passes through the rubber plug 2 of the sample bottle and is inserted into the inside of the sample bottle 1, and the other end is inserted on the rubber plug 5 of the sample cup. 7. The solid-phase ext...
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