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  2. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    where TDS is expressed in mg/L and EC is the electrical conductivity in microsiemens per centimeter at 25 °C. The conversion factor k e varies between 0.55 and 0.8. [5] Some TDS meters use an electrical conductivity measurement to the ppm using the above formula. Regarding units, 1 ppm indicates 1 mg of dissolved solids per 1,000 g of water. [6]

  3. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    More generally encountered is the traditional unit of μS/cm. The commonly used standard cell has a width of 1 cm, and thus for very pure water in equilibrium with air would have a resistance of about 10 6 ohms, known as a megohm. Ultra-pure water could achieve 18 megohms or more. Thus in the past, megohm-cm was used, sometimes abbreviated to ...

  4. Waste converter - Wikipedia

    en.wikipedia.org/wiki/Waste_converter

    A waste converter is a machine used for the treatment and recycling of solid and liquid refuse material. A converter is a self-contained system capable of performing the following functions: pasteurization of organic waste; sterilization of pathogenic or biohazard waste; grinding and pulverization of refuse into unrecognizable output; trash compaction; dehydration.

  5. Ultrapure water - Wikipedia

    en.wikipedia.org/wiki/Ultrapure_water

    Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate matter; volatile ...

  6. Grease trap - Wikipedia

    en.wikipedia.org/wiki/Grease_trap

    The relatively grease-free water is then fed into the normal septic system.The food solids at the bottom and floating oil and grease must be periodically removed in a manner similar to septic tank pumping. [11] A traditional grease trap is not a food disposal unit. Unfinished food must be scraped into the garbage or food recycling bin.

  7. What your peeing frequency can say about your health - AOL

    www.aol.com/peeing-frequency-health-200043559.html

    Generally, there’s a certain number of times you should pee daily. Deviating too far from this can suggest various things about your health, experts say.

  8. Tara Lipinski Says 'Ash Was Falling' on 14-Month-Old Daughter ...

    www.aol.com/tara-lipinski-says-ash-falling...

    Tara Lipinski is sharing a scary moment she endured while evacuating the Los Angeles fires.. The professional figure skater, 42, posted a video on her Instagram Stories on Thursday, Jan. 9, as her ...

  9. Great Pyrenees Dog Completely Misses the Obvious When it ...

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