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  2. Electrochemical gas sensor - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_gas_sensor

    Sensors for carbon dioxide are an example of this approach and they have been commercially available for several years. Cross-sensitivity of electronic chemical sensors may also be utilized to design chemical sensor arrays , which utilize a variety of specific sensors that are cross-reactive for fingerprint detection of target gases in complex ...

  3. Electro-galvanic oxygen sensor - Wikipedia

    en.wikipedia.org/wiki/Electro-galvanic_oxygen_sensor

    An electro-galvanic fuel cell is an electrochemical device which consumes a fuel to produce an electrical output by a chemical reaction. One form of electro-galvanic fuel cell based on the oxidation of lead is commonly used to measure the concentration of oxygen gas in underwater diving and medical breathing gases .

  4. Here Are All The Chemical-Free Sparkling Water Brands - AOL

    www.aol.com/chemical-free-sparkling-water-brands...

    Stay healthy and hydrated with these better-for-you seltzer and sparkling water brands that have low PFAS levels, are eco-friendly, and taste great. ... Their cans are BPA-free and contain ultra ...

  5. Carbon dioxide sensor - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide_sensor

    The key components are an infrared source, a light tube, an interference (wavelength) filter, and an infrared detector. The gas is pumped or diffuses into the light tube, and the electronics measure the absorption of the characteristic wavelength of light. NDIR sensors are most often used for measuring carbon dioxide. [2]

  6. Nalco Water - Wikipedia

    en.wikipedia.org/wiki/Nalco_Water

    Nalco Water, an Ecolab Company, is an American supplier of water, energy and air improvement solutions and services for industrial and institutional markets, owned by Ecolab. The company sells various products and services designed to reduce energy, water and other natural resource consumption, enhance air quality , minimize environmental ...

  7. Arsenic found in bottled water sold by Whole Foods and Walmart

    www.aol.com/news/arsenic-found-bottled-water...

    A recent study by the Center for Environmental Health has revealed high levels of arsenic in two brands of bottled water sold by Whole Foods and Walmart.

  8. ‘It’s shameful’: Houston homeowners in limbo after public ...

    www.aol.com/finance/shameful-houston-homeowners...

    Two Houston homeowners are seeking answers after a municipal water tank burst, flooding their homes. With insurance claims denied and the utility district citing government immunity, they may need ...

  9. Electrochemical reduction of carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Electrochemical_reduction...

    The electrochemical reduction of carbon dioxide, also known as CO2RR, is the conversion of carbon dioxide (CO 2) to more reduced chemical species using electrical energy. It represents one potential step in the broad scheme of carbon capture and utilization .