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Antoine Labarraque
Antoine Germain Labarraque (28 March 1777 – 9 December 1850)Maurice Bouvet. Les grands pharmaciens: Labarraque (1777-1850)' (Revue d'histoire de la pharmacie, 1950, Volume 38, no. 128, pp. 97-107). was a French chemist and pharmacist, notable for formulating and finding important uses for "''Eau de Labarraque''" or "''Labarraque's solution''", a solution of sodium hypochlorite widely used as a disinfectant and deodoriser.Labarraque, Antoine-Germain '''', volume 28 (1859), columns 323-324. Labarraque's use of |
Oloron-Sainte-Marie
Oloron-Sainte-Marie (; ; ) is a commune in the southwestern French department of Pyrénées-Atlantiques. History The town was founded by the Romans in the 1st century, then known as ''Illoronensium''. Situated on the Roman way between the important towns of Dax and Saragossa, its position was strategic. Today known as Saint-Grat, Gratus of Oloron became in 506 the first known archbishop of the Ancient Diocese of Oloron then known as "Iluro". The history of the town during the Migration Period is little known. In 1080, the viscount Centule V, Viscount of Béarn built the new city of "Oloron" (medieval version of the Roman name Iluro) on the opposite side of the river from the diocese center. Centule V restored the Roman walls and founded the strong city of Oloron that was to be used as a base to retake Aragon held by the Moors. The Oloron Cathedral was built at the beginning of the 12th century. The viscountal town of Oloron and the episcopal town of Sainte-Marie were t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Typhus
Typhus, also known as typhus fever, is a group of infectious diseases that include epidemic typhus, scrub typhus, and murine typhus. Common symptoms include fever, headache, and a rash. Typically these begin one to two weeks after exposure. The diseases are caused by specific types of bacterial infection. Epidemic typhus is caused by '' Rickettsia prowazekii'' spread by body lice, scrub typhus is caused by '' Orientia tsutsugamushi'' spread by chiggers, and murine typhus is caused by '' Rickettsia typhi'' spread by fleas. Vaccines have been developed, but none is commercially available. Prevention is achieved by reducing exposure to the organisms that spread the disease. Treatment is with the antibiotic doxycycline. Epidemic typhus generally occurs in outbreaks when poor sanitary conditions and crowding are present. While once common, it is now rare. Scrub typhus occurs in Southeast Asia, Japan, and northern Australia. Murine typhus occurs in tropical and subtropi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Francs
The franc is any of various units of currency. One franc is typically divided into 100 centimes. The name is said to derive from the Latin inscription ''francorum rex'' ( King of the Franks) used on early French coins and until the 18th century, or from the French ''franc'', meaning "frank" (and "free" in certain contexts, such as ''coup franc'', "free kick"). The countries that use francs today include Switzerland, Liechtenstein, and most of Francophone Africa. The Swiss franc is a major world currency today due to the prominence of Swiss financial institutions. Before the introduction of the euro in 1999, francs were also used in France, Belgium and Luxembourg, while Andorra and Monaco accepted the French franc as legal tender ( Monégasque franc). The franc was also used in French colonies including Algeria and Cambodia. The franc is sometimes Italianised or Hispanicised as the ''franco'', for instance in Luccan franco. Origins The franc was originally a French go ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Claude Berthollet
Claude Louis Berthollet (, 9 December 1748 – 6 November 1822) was a Savoyard-French chemist who became vice president of the French Senate in 1804. He is known for his scientific contributions to the theory of chemical equilibria via the mechanism of reverse chemical reactions, and for his contribution to modern chemical nomenclature. On a practical basis, Berthollet was the first to demonstrate the bleaching action of chlorine gas, and was first to develop a solution of sodium hypochlorite as a modern bleaching agent. Biography Claude Louis Berthollet was born in Talloires, near Annecy, then part of the Duchy of Savoy, in 1749. He started his studies at Chambéry and then in Turin where he graduated in medicine. Berthollet's great new developments in works regarding chemistry made him, in a short period of time, an active participant of the Academy of Science in 1780. Berthollet, along with Antoine Lavoisier and others, devised a chemical nomenclature, or a system of na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Javel Water
Bleach is the generic name for any chemical product that is used industrially or domestically to remove color from (i.e. to whiten) fabric or fiber (in a process called bleaching) or to disinfect after cleaning. It often refers specifically to a dilute solution of sodium hypochlorite, also called "liquid bleach". Many bleaches have broad-spectrum bactericidal properties, making them useful for disinfecting and sterilizing. They are used in swimming pool sanitation to control bacteria, viruses, and algae and in many places where sterile conditions are required. They are also used in many industrial processes, notably in the bleaching of wood pulp. Bleaches also have other minor uses, like removing mildew, killing weeds, and increasing the longevity of cut flowers. Bleaches work by reacting with many colored organic compounds, such as natural pigments, and turning them into colorless ones. While most bleaches are oxidizing agents (chemicals that can remove electrons from othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Société D'Encouragement Pour L'Industrie Nationale
The Société d'encouragement pour l'industrie nationale (; ) is an organization established in 1801 to support French industry. Over the years it has provided prizes and support to inventors, promoted transfer of technology and management techniques, sponsored efforts to improve safety and efficiency and reduce pollution, and promoted vocational education. Foundation In 1800 Napoleon was firmly in power as ruler of France and continental peace seemed assured. Napoleon resolved to make French industry greater than that of all other nations, particularly England. At the initiative of the Minister of Interior Jean-Antoine Chaptal, the second Exposition des produits de l'industrie française was held in Paris from 19–25 September 1801. Following this, a preparatory meeting for the Société d'encouragement pour l'industrie nationale was held on 4 October 1801 to discuss the formation of a society similar to the British Royal Society of Arts to encourage and improve French industry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Catgut
Catgut (also known as gut) is a type of cord that is prepared from the natural fiber found in the walls of animal intestines. Catgut makers usually use sheep or goat intestines, but occasionally use the intestines of cattle, hogs, horses, mules, or donkeys. Despite the name, catgut is not made from cat intestines. Etymology The word ''catgut'' may have been an abbreviation of the word ''cattlegut''. Alternatively, it may derive by folk etymology from ''kitgut'' or ''kitstring'' — the dialectal word ''kit'', meaning fiddle, having at some point been confused with the word ''kit'' for a young cat, the word "kit" being possibly derived from Welsh. In the 16th century a ''kit'' was a "small fiddle used by dancing teachers," a name probably derived from a shortening of Old English ''cythere'', from Latin , from Greek (see guitar). Common uses Musical instruments Historically, catgut was the most common material for the strings of harps, lutes, violins, violas, cellos, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Benzoin Resin
Benzoin or benjamin (corrupted pronunciation) is a balsamic resin obtained from the bark of several species of trees in the genus '' Styrax''. It is used in perfumes and some kinds of incense and as a flavoring and medicine (see tincture of benzoin). It is distinct from the chemical compound benzoin, which is ultimately derived chemically from benzoin resin; the primary active ingredient of benzoin resin is actually benzoic acid, not benzoin. Benzoin is sometimes called gum benzoin or gum benjamin, and in India ''Sambrani or'' loban, though loban is, via Arabic ''lubān'', a generic term for frankincense-type incense, e.g., fragrant tree resin. The syllable "benz" ultimately derives from the Arabic lubān jāwī (لبان جاوي, "frankincense from Java"). (mid 16th century: from French ''benjoin'', based on Arabic ''lubānjāwī'' ‘incense of Java’.) Benzoin is also called storax, not to be confused with the balsam of the same name obtained from the Hamamelidaceae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tinctures
A tincture is typically an extract of plant or animal material dissolution (chemistry), dissolved in ethanol (ethyl alcohol). Solvent concentrations of 25–60% are common, but may run as high as 90%.Groot Handboek Geneeskrachtige Planten by Geert Verhelst In chemistry, a tincture is a Solution (chemistry), solution that has ethanol as its solvent. In herbal medicine, alcoholic tinctures are made with various ethanol concentrations, which should be at least 20% alcohol for preservation purposes. Other solvents for producing tinctures include vinegar, glycerol (also called glycerine), diethyl ether and propylene glycol, not all of which can be used for internal consumption. Ethanol has the advantage of being an excellent solvent for both acidic and basic (alkaline) constituents. A tincture using glycerine is called a glycerite. Glycerine is generally a poorer solvent than ethanol. Vinegar, being acidic, is a better solvent for obtaining alkaloids but a poorer solvent for acidic c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electuary
An electuary is a medicine consisting of a powder or other ingredient mixed with something sweet such as honey to make it more palatable."The Doctor and the Buccaneer: Sir Hans Sloane's Case History of Sir Henry Morgan, Jamaica, 1688" by Richard B. Sheridan, '' Journal of the History of Medicine and Allied Sciences'', Vol. 41, No. 1 (January 1986), pp. 76-87. In German and Swiss cultures, electuary ( or ) is also more generally a thickened juice and honey preparation with a thick, viscous consistency that is used in for culinary purposes, such as a (bread) spread or as a sauce ingredient. In the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phosphorus
Phosphorus is a chemical element; it has Chemical symbol, symbol P and atomic number 15. All elemental forms of phosphorus are highly Reactivity (chemistry), reactive and are therefore never found in nature. They can nevertheless be prepared artificially, the two most common allotropes being white phosphorus and red phosphorus. With as its only stable isotope, phosphorus has an occurrence in Earth's crust of about 0.1%, generally as phosphate rock. A member of the pnictogen family, phosphorus readily forms a wide variety of organic compound, organic and inorganic compound, inorganic compounds, with as its main oxidation states +5, +3 and −3. The isolation of white phosphorus in 1669 by Hennig Brand marked the scientific community's first discovery since Antiquity of an element. The name phosphorus is a reference to the Phosphorus (morning star), god of the Morning star in Greek mythology, inspired by the faint glow of white phosphorus when exposed to oxygen. This property is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
