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2. Total dissolved solids - Wikipedia

   en.wikipedia.org/wiki/Total_dissolved_solids

   Total dissolved solids (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form. TDS are often measured in parts per million (ppm). TDS in water can be measured using a digital meter.

3. Electrical conductivity meter - Wikipedia

   en.wikipedia.org/wiki/Electrical_conductivity_meter

   An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. [1] It has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.

4. Conductivity (electrolytic) - Wikipedia

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

   Conductivity or specific conductance of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m). Conductivity measurements are used routinely in many industrial and environmental applications as a fast, inexpensive and reliable way of measuring the ionic content in a ...

5. Wastewater quality indicators - Wikipedia

   en.wikipedia.org/wiki/Wastewater_quality_indicators

   Tests will determine the quality of this wastewater. Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic ...

6. Talk:TDS meter - Wikipedia

   en.wikipedia.org/wiki/Talk:TDS_meter

   First match, "the only way of measuring tds is to evaporate the water and weigh" = 13 words, not 11; and the second and third match combine into a much longer string just with "closely" moved and s/electrical conductivity/ec - "water have some electrical charge therefore it is possible to estimate the quantity of tds by determining the ...

7. Water testing - Wikipedia

   en.wikipedia.org/wiki/Water_testing

   Water testing. Water testing being conducted at a treatment facility in Broken Bow, Oklahoma. Water testing is a broad description for various procedures used to analyze water quality. Millions of water quality tests are carried out daily to fulfill regulatory requirements and to maintain safety. [1]