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In-situ soil nitrate ion concentration sensor
A Tuli, JW Hopmans, T Kamai, BD Shaw - US Patent 8,444,937, 2013 - Google Patents
(57) ABSTRACT A method and apparatus for near real-time in-situ soil solu tion
measurements is presented. An outer sleeve is placed in soil Where ionic concentrations of …
measurements is presented. An outer sleeve is placed in soil Where ionic concentrations of …
Underwater vehicle and sensor
DG Thomas, CJ Kalli, ER Stine - US Patent 9,404,906, 2016 - Google Patents
Described herein is an underwater vehicle having a vehicle body with a buoyancy controller
adapted to vary the buoy ancy of the vehicle in order to control motion of the vehicle through …
adapted to vary the buoy ancy of the vehicle in order to control motion of the vehicle through …
Transfer line for sampling probe
M Van Straaten, W Van De Putte… - US Patent …, 2015 - Google Patents
Methods of sampling Substances such as Subsurface contami nants, a transfer line for use
in a system for such sampling, a sampling system and methods of manufacture and use of …
in a system for such sampling, a sampling system and methods of manufacture and use of …
Gas membrane sampling device and gas sensor device for geological investigations
M Zimmer - US Patent 7,523,680, 2009 - Google Patents
US7523680B2 - Gas membrane sampling device and gas sensor device for geological
investigations - Google Patents US7523680B2 - Gas membrane sampling device and gas …
investigations - Google Patents US7523680B2 - Gas membrane sampling device and gas …
Tubular membrane gas and volatile compounds sampler for fluid introduction at atmospheric to high pressure
GM McMurtry, DN Kokubun - US Patent App. 13/999,653, 2014 - Google Patents
(57) ABSTRACT A high-transmittance sampler of dissolved gases and volatile organic
compounds (VOC) is described that is based upon a thin polymer membrane with tubular …
compounds (VOC) is described that is based upon a thin polymer membrane with tubular …
Subsurface environment sampler with actuator movable collection chamber
E Barnhart, R Hyatt, M Fields… - US Patent 10,704,993, 2020 - Google Patents
A Sampler and process for collecting, growing, inoculating and evaluating microbes in-situ.
The Sampler may be loaded with an active or inert media to assist with the collection of …
The Sampler may be loaded with an active or inert media to assist with the collection of …
Devices and methods for determination of bioavailability of pollutants
Contaminant mass collection in Saturated sedimentary envi ronments for bioavailability
determination. A casing includes a screen between the environment that is subject to …
determination. A casing includes a screen between the environment that is subject to …
Sheet-form membrane sample probe, method and apparatus for fluid concentration analysis
AD Brumboiu, DA Norquay, B William - US Patent 7,658,094, 2010 - Google Patents
(57) ABSTRACT A sheet form membrane probe, an apparatus and method, wherein the
probe includes a probe body, a sheet-form mem brane secured to the probe body and …
probe includes a probe body, a sheet-form mem brane secured to the probe body and …
Well system with attached sealant line
LI Robinson, ER Piatt - US Patent 11,098,555, 2021 - Google Patents
(57) ABSTRACT A device and method for collecting sample fluids from an underground
source which includes sample wells terminat ing in a corrugated conduit and sieve. The …
source which includes sample wells terminat ing in a corrugated conduit and sieve. The …
High pressure membrane introduction for a mass spectrometer
G McMurtry, D Copson - US Patent 7,385,191, 2008 - Google Patents
(57) ABSTRACT A membrane-introduction mass spectrometer (MIMS) device has a sample
inlet assembly provided with a mem brane held by an outer retaining ring across the …
inlet assembly provided with a mem brane held by an outer retaining ring across the …