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  2. pH meter - Wikipedia

    en.wikipedia.org/wiki/PH_meter

    The Radiometer Corporation of Denmark was founded in 1935, and began marketing a pH meter for medical use around 1936, but "the development of automatic pH-meters for industrial purposes was neglected. Instead American instrument makers successfully developed industrial pH-meters with a wide variety of applications, such as in breweries, paper ...

  3. National Bio and Agro-Defense Facility - Wikipedia

    en.wikipedia.org/wiki/National_Bio_and_Agro...

    The primary research tenants of the facility are the Agriculture Research Service (USDA-ARS) and Animal Plant Health Inspection Service, Veterinary Services (USDA-APHIS-VS). [ 2 ] [ 3 ] Construction on the 574,000-square-foot (53,300 m 2 ) facility officially began in May 2015, and was scheduled to be completed by May 2021.

  4. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    In and of themselves, pH indicators are usually weak acids or weak bases. The general reaction scheme of acidic pH indicators in aqueous solutions can be formulated as: HInd (aq) + H 2 O (l) ⇌ H 3 O + (aq) + Ind − (aq) where, "HInd" is the acidic form and "Ind −" is the conjugate base of the indicator. Vice versa for basic pH indicators ...

  5. Instruments used in medical laboratories - Wikipedia

    en.wikipedia.org/wiki/Instruments_used_in...

    General laboratory stands, racks, filter paper, reagents, etc. Induction coils: as a source of high voltage electricity Cathode ray oscilloscope ' Recording kymograph: historically, used in human or animal experiments to measure and record data Long extension kymograph: historically, used in or human animal experiments to measure and record data

  6. Ministry of National Food Security & Research - Wikipedia

    en.wikipedia.org/wiki/Ministry_of_National_Food...

    The Ministry of National Food Security & Research or Ministry of Agricultulre (Urdu: وزارتِ برائے قومی تحقیق و حفظانِ تغذیہ ، پاکستان, wazarat-e- baraye qaumi tehqeeq o hfzanِ taghzia, Pakistan (abbreviated as MoA) is a Cabinet-level ministerial department of Government of Pakistan.

  7. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    pH meter: pH (chemical acidity/basicity of a solution) photometer: illuminance or irradiance planometer: area polarimeter: rotation of polarized light potentiometer: voltage (term is also used to refer to a variable resistor) profilometer: surface roughness protractor: angle psychrometer: humidity pycnometer: fluid density pyranometer: solar ...