Method and device for safely preserving aqueous field samples us

Details Method and device for safely preserving aqueous field samples us Method and device for safely preserving aqueous field samples us

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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