Laboratory mixer-separator

Claim 1

A MICROANALYTICAL TOOL FOR MIXING REACTANTS AND THEN FILTERING THE LIQUID PHASE REACTION PRODUCT THEREFROM COMPRISING A TUBE HAVING FIRST AND SECOND OPEN ENDS, A CYLINDER CONTIUOUS WITH SAID FIRST OPEN END OF SAID TUBE IN END TO END FLUID COMMUNICATING RELATION, A COVER MEMBER HAVING AN APERTURE THEREIN FOR THE OTHER END OF SAID CYLINDER, SAID APERTURE LYING GENERALLY IN LINE WITH THE LONGTIDUCINAL AXIS OF SAID TUBE AND BEING LARGE ENOUGHT TO PERMIT INSERTION OF A PIPETTE TIP INTO SAID CYLINDER, SAID CYLINDER HAVING A LARGER DIAMETER THAN SAID TUBE, SAID DIAMETER RELATIONSHIP BEING SOLELY RESPONSIBLE FOR RETAINING SELECTED REACTANTS IN SAID CYLINDER WHICH HAVE BEEN PLACED THEREIN THROUGH THE APERTURE IN ITS COVER MEMBER FOR INTERREACTION WHEN SAID TUBE AND CYLINDER ARE POSITIONED GENERALLY HORIZONTALLY, A FILTER IN SAID TUBE, SAID CYLINDER AND TUBE PERMITTING DISCHARGE OF SUBSTANTIALLY ALL OF THE LIQUID PHASE REACTION PRODUCT OF THE SELECTED REACTANTS FROM THE CYLINDER DOWN THROUGH SAID TUBE AND FILTER WHEN SAID CYLINDER ANND TUBE ARE POSITIONED GENERALLY VERTICALLY.