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2. Gas detector - Wikipedia

   en.wikipedia.org/wiki/Gas_detector

   A gas detector is a device that detects the presence of gases in an area, often as part of a safety system. A gas detector can sound an alarm to operators in the area where the leak is occurring, giving them the opportunity to leave. This type of device is important because there are many gases that can be harmful to organic life, such as ...

3. Dräger (company) - Wikipedia

   en.wikipedia.org/wiki/Dräger_(company)

   16,329 (2023)[1] Website. www.draeger.com. Dräger is a German company based in Lübeck [2] which makes breathing and protection equipment, gas detection and analysis systems, and noninvasive patient monitoring technologies. [3] Customers include hospitals, fire departments and diving companies.

4. Geiger–Müller tube - Wikipedia

   en.wikipedia.org/wiki/Geiger–Müller_tube

   The Geiger–Müller tube or G–M tube is the sensing element of the Geiger counter instrument used for the detection of ionizing radiation. It is named after Hans Geiger, who invented the principle in 1908, [1] and Walther Müller, who collaborated with Geiger in developing the technique further in 1928 to produce a practical tube that could ...

5. Thermal conductivity detector - Wikipedia

   en.wikipedia.org/wiki/Thermal_conductivity_detector

   Thermal conductivity detector. The thermal conductivity detector (TCD), also known as a katharometer, is a bulk property detector and a chemical specific detector commonly used in gas chromatography. [1] This detector senses changes in the thermal conductivity of the column eluent and compares it to a reference flow of carrier gas.

6. Monsanto agrees to $160 million settlement with Seattle over ...

   www.aol.com/news/monsanto-agrees-160-million...

   SEATTLE (AP) — Ending an eight-year legal battle, chemical giant Monsanto has agreed to a $160-million settlement with Seattle for its part in polluting a river that runs through the heart of ...

7. Flame ionization detector - Wikipedia

   en.wikipedia.org/wiki/Flame_ionization_detector

   A flame ionization detector (FID) is a scientific instrument that measures analytes in a gas stream. It is frequently used as a detector in gas chromatography. The measurement of ions per unit time makes this a mass sensitive instrument. [1] Standalone FIDs can also be used in applications such as landfill gas monitoring, fugitive emissions ...