Chemistry: analytical and immunological testing – Including sample preparation – Liberation or purification of sample or separation of...
Patent
1986-08-29
1989-08-15
Marcus, Michael S.
Chemistry: analytical and immunological testing
Including sample preparation
Liberation or purification of sample or separation of...
436 28, 436 39, 436178, 436809, 422 68, 422101, 73 61R, 73 611R, 7386323, 21032184, 21050021, G01N 116, G01N 120
Patent
active
048574732
ABSTRACT:
The invention relates to a device for the sampling of liquids which permeate dialysis membranes, comprising cells bounded by two such membranes. The device according to the invention is suited for determining hydrochemical profiles of groundwater, in lakes and the like. The device according to the invention is a modular one, comprising a plurality of consecutive dialysis cells, spaced at predetermined intervals, in a support system. The sampler is introduced into the liquid and left there for an adequate period of time to establish an equilibrium. After removal, each of the cells is analysed and provides information on the composition of the liquid at the given depth.
REFERENCES:
patent: 3825410 (1974-07-01), Bagshawe
patent: 4092117 (1978-05-01), Byrne
patent: 4550011 (1985-10-01), McCollum
Levy Itzhak
Margaritz Mordeckai
Ronen Daniel
Kummert Lynn M.
Marcus Michael S.
State of Israel, Ministry of Agriculture, Water Commission
Yeda Research and Development Co. Ltd.
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