Chemistry: analytical and immunological testing – Including sample preparation – Stabilizing or preserving
Patent
1993-08-13
1994-06-21
Housel, James C.
Chemistry: analytical and immunological testing
Including sample preparation
Stabilizing or preserving
210263, 210266, 210282, 2104161, 210638, 210660, 422101, 422102, 436177, 436178, G01N 100, B01L 1100
Patent
active
053228006
ABSTRACT:
This invention concerns a method and apparatus for collecting and preserving field water samples on site in which a salt solution, contained in a syringe by a rupturable thin film membrane, is injected through a strong acid or base ion exchange filter to produce a required amount of either nitric acid, sulfuric acid or sodium hydroxide for sample collection and preservation.
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Cano Milton I.
Housel James C.
Koltos E. Philip
The United States of America as represented by the Secretary of
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