PASSIVE SAMPLE TAKER Russian patent published in 2006 - IPC G01N1/10 

FIELD: possible sue for ecological monitoring of natural and drain water for estimating quality of environment.

SUBSTANCE: passive sample taker has container with open upper part, lid with aperture, detachably connected to open part of container, and sample-taking component. Sample-taking component is a sorption element, filled with dehydrated zeolite. Lower part of container is made open and connected to detachable lid with aperture. Apertures in lower and upper lids are covered with diaphragms, in form of polymer film, penetrable for water steams, for dosing water steams into internal volume of sample taker.

EFFECT: production of averaged samples of drinking, surface, underground and drain water for following determining under laboratory conditions of average, during the time of exposure, activity of tritium oxide.

1 dwg