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2. Iron-oxidizing bacteria - Wikipedia

   en.wikipedia.org/wiki/Iron-oxidizing_bacteria

   The anoxygenic phototrophic iron oxidation was the first anaerobic metabolism to be described within the iron anaerobic oxidation metabolism. The photoferrotrophic bacteria use Fe 2+ as electron donor and the energy from light to assimilate CO 2 into biomass through the Calvin Benson-Bassam cycle (or rTCA cycle) in a neutrophilic environment (pH 5.5-7.2), producing Fe 3+ oxides as a waste ...

3. Water testing - Wikipedia

   en.wikipedia.org/wiki/Water_testing

   The Ministry has created 24 Water Quality Testing Laboratories across Pakistan, developed and commercialized water quality test kits, water filters, water disinfection tablets and drinking water treatment sachets, conducted training for 2,660 professionals of water supply agencies and surveyed 10,000 water supply schemes out of a grand total of ...

4. AOAC International - Wikipedia

   en.wikipedia.org/wiki/AOAC_International

   AOAC International's technical contributions center on the creation, validation, and global publication of reliable analytical test methods.Their areas of focus include, but are not limited to, safety of foods, beverages, dietary supplements, fertilizers, animal feeds, soil and water, and veterinary drugs. [3]

5. pH meter - Wikipedia

   en.wikipedia.org/wiki/PH_meter

   Beckman Model M pH Meter, 1937 [1] Beckman model 72 pH meter, 1960 781 pH/Ion Meter pH meter by Metrohm. A pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed as pH. [2]

6. MDCalc - Wikipedia

   en.wikipedia.org/wiki/MDCalc

   MDCalc is a free online medical reference for healthcare professionals that provides point-of-care clinical decision-support tools, including medical calculators, scoring systems, and algorithms. [1] MDCalc is also a mobile and web app. [ 2 ] The decision-support tools are based on published clinical research, [ 3 ] and MDCalc’s content is ...

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

8. American Water Works Association - Wikipedia

   en.wikipedia.org/wiki/American_Water_Works...

   Specialty conferences are held throughout the year on topics including water quality, distribution systems and utility management. [14] Proceedings of the annual and specialty conferences are published by AWWA. In cooperation with other professional associations, AWWA is a resource for water professionals’ continuing education and development.

9. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!