Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-03-23
1977-09-20
Scovronek, Joseph
Chemistry: physical processes
Physical processes
Crystallization
23253R, 23230B, 23259, G01N 3100, G01N 3316
Patent
active
040493814
ABSTRACT:
Apparatus and method for obtaining a concentration gradient in a liquid sample analyzer including flowing a first liquid in a stream to fill a conduit, and continuing the flow of the first liquid along the conduit subsequent to the filling step. Combined with these steps is the step of changing the concentration of the first liquid by removing from the stream a predetermined varying volume of the first liquid and adding to the stream a predetermined proportional varying volume of a second liquid. There is also provided a method of serial dilutions of a liquid stream in a conduit by removal of a portion of the stream prior to each diluent addition for the purpose of conserving diluents which may be reagents.
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Brand Michael J.
Burns Donald A.
Saunders Alexander M.
Rockwell Stephen E.
Scovronek Joseph
Technicon Instruments Corporation
Tedesco S. P.
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