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Sampling device for sampling chemically intact samples of underground water from low-profile boreholes in rocks of low permeability and sampling method by making use of such device
Sampling device for sampling chemically intact samples of underground water from low-profile boreholes in rocks of low permeability and sampling method by making use of such device
odberovu00e9 device for odber chemically neovlivnenu00fdch sample groundwater from u00fazkoprofilovu00fdch borehole in rocks with low permeability umoznuju00edcu00ed odber from the depths to the surface underground water further down than 150 m pfrom the country and the way odberu using this device, where the device comprises a hollow body (31), whose upper end is opatren head (32) with a drilling (3) connecting the valve (1),2) the sampling chamber (5) tvoru00edcu00ed insides bodies (31), while allowing for vnejsu00edm surface of the head (32) is made as a hook (4) for attachment to a support device of rope or soutycu00ed,furthermore, the body at the lower end of the opatreno head (33) with a bore (10), which connects the nu00e1strcnou clutch (12), the sample chamber (5),while allowing for vnejsu00edm surface head (33) is made as a hook (11) to attach the device to a support rope or soutycu00ed,furthermore, inside the sample chamber (5) free ulozen steel hydraulic piston (8) opatrenu00fd for smooth operation of two guide krouzky (69) and one tesnu00edcu00edm teflon krouzkem (7) to zajistenu00ed sealing hydraulic piston (8),on the nu00e1strcnou clutch (12) is pripojena pressure hadicka (113) for connection device to the source (18) stlacenu00e9ho air and jednocestnu00e9mu nu00e1strcnu00e9mu valve (1) is pripojena output sampling hadicka (111) for the sample material into the odbernu00e9 container (17) and a one-way gate nu00e1strcnu00fd valve (2) is pripojena input sample hadicka (112) for odber sample material from the tube (22) located in the placese odberu defined pakry (21, 23).
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