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Device for electrolysing water
A Hofmann voltameter is an apparatus for electrolysing water, invented by August Wilhelm von Hofmann (1818–1892) in 1866. It consists of three joined upright
Hofmann_voltameter
German chemist (1818–1892)
ennobled on his seventieth birthday. His name is associated with the Hofmann voltameter, the Hofmann rearrangement, the Hofmann–Martius rearrangement, Hofmann
August_Wilhelm_von_Hofmann
Instrument for measuring electric charge
A voltameter or coulometer is a scientific instrument used for measuring electric charge (quantity of electricity) through electrolytic action. The SI
Voltameter
Electricity-induced chemical reaction
one kg of hydrogen, which holds 39.4 kWh (HHV) of energy. The Hofmann voltameter is a small-scale electrolytic cell. It consists of three joined upright
Electrolysis_of_water
Mass deposited per unit charge
charge. The electrochemical equivalent of an element is measured with a voltameter. The electrochemical equivalent of a substance is the mass of the substance
Electrochemical_equivalent
Method of chemical analysis
electrochemical processes: Copper coulometer Mercury coulometer Hofmann voltameter "Voltameter" is a synonym for "coulometer". An acid-base microtitorator utilizes
Coulometry
American physicist
devices. With George Wood Vinal he made an ammeter based on a silver voltameter. He also headed the Safety Code division that defined the National Electrical
Edward_Bennett_Rosa
Topics referred to by the same term
the electrostatic charge of a material Coulomb meter, Coulometer, or Voltameter – instrument to measure the electric charge from the passing electric
Coulomb_meter
hats with silk and thread. Samuel Thomas von Sömmerring invents a water voltameter electrical telegraph. William Hyde Wollaston invents the reflecting goniometer
1809_in_science
Industrial production of molecular hydrogen
water electrolysis can be done with a simple apparatus like a Hofmann voltameter:"Electrolysis of water and the concept of charge". Archived from the original
Hydrogen_production
Topics referred to by the same term
The Hoffman Agency, a global high-tech public relations firm Hofmann voltameter, a piece of chemistry apparatus sometimes used to collect hydrogen and
Hoffman_(disambiguation)
running on coal gas. 1866 – August Wilhelm von Hofmann invents the Hofmann voltameter for the electrolysis of water. 1873 – Thaddeus S. C. Lowe – water gas;
Timeline of hydrogen technologies
Timeline_of_hydrogen_technologies
American physical chemist
Albert F. O. Germann, "Studies on Perchloric Acid: Mercurous Perchlorate Voltameter," Indiana University Studies, vol. 1, no. 5 (1910), pp. 41–49; and Frank
Frank_Curry_Mathers
Technologies that relating to the production & use of hydrogen
electrode Cathodic protection Iron-hydrogen resistor Hydrogen pinch Hofmann voltameter Hydrox Hydreliox Joule–Thomson effect Hydrogen ion Bussard ramjet Döbereiner's
Hydrogen_technologies
American astrophysicist and astronomer
instruments now widely used for measuring the Sun's heat. A study of the lead voltameter (1907) Smithsonian pyrheliometry revised (1913 with Charles Greeley Abbot)
Loyal_Blaine_Aldrich
now standard system of hydrocarbon nomenclature and invents the Hofmann voltameter. Emil Erlenmeyer proposes that naphthalene has a structure of two fused
1866_in_science
American chemist
Albert F. O. Germann, "Studies on Perchloric Acid: Mercurous Perchlorate Voltameter," Indiana University Studies, volume 1, number 5 (1910), pages 41–49;
Albert Fredrick Ottomar Germann
Albert_Fredrick_Ottomar_Germann
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Prosperous; Flourishing; Flower; Blossoming
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Other name of Gautama Buddha
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Hebrew
(עָפְרָה) Hebrew unisex name OPHRAH means "fawn." In the bible, this is the name of two places, and the name of a son of Meonothai.Â
Surname or Lastname
English
English : (of Norman origin) habitational name from any of the places in northern France called La Mare ‘the pond’.English : possibly a topographic name from Anglo-Norman French de la ‘from the’ + Middle English mere ‘pond’ or more ‘marsh’, ‘moor’. Delamere Forest in Cheshire, ‘forest of the lake (Old English mere)’ may also account for some examples of the surname.
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n.
An instrument for measuring the voltaic electricity passing through it, by its effect in decomposing water or some other chemical compound acting as an electrolyte.