When heated with monobasic saturated acids and zinc chloride it yields acridines. A strip of metallic zinc when placed in a solution of stannous chloride precipitates the tin in crystals and takes its place in the solution. Its other mineral resources include graphite, copper, zinc, lead, salt, alum, potter's clay, marble and good mill and building stones. "Pewter" (q.v.) The mines near the city are very productive, and thousands of men and beasts are employed in transporting lead, iron, copper, zinc and sulphur to the coast. In wood-engraving his energies were almost entirely given to bearing a part - which modern research has proved to have been not nearly so large as was traditionally supposed - in the great decorative schemes commanded by the Emperor Max in his own honour, and devised and carried out by a whole corps of men of letters and artists: namely, the Triumphal Gate ..and the Triumphal March or Procession. one that is a medium coarse, contains 12-15% lead, not over 5% zinc,`and makes under 5% matte. It may also be obtained by reducing nitrourea in acid solution with zinc dust. But the internal rearrangements which accompany the production of a current do not cause any change in the original nature of the electrodes, fresh zinc being exposed at the anode, and copper being deposited on copper at the cathode. The Bethlehem Steel Company manufactures here iron and steel, including Bessemer steels, armour plate, steel rails, government ordnance, drop forgings, iron and steel castings, stationary engines, gas engines, hydraulic pumps, projectiles, steel shaft and pig iron; zinc is smelted and refined; and there are large hosiery and knitting mills, and silk mills and cigar factories. Grades of commercial zinc are usually based on selected ores, and brands, when they mean anything, usually mean that the metal is made from certain ores. Lead, zinc and other metals have also been reduced in this manner. Thus in the Daniell cell the dissolution of copper as well as of zinc would increase the loss in available energy. A certain amount of refined zinc can be dipped from the furnace; a further amount, nearly free from iron, can be liquated out of the ingots cast from the bottom of the bath in a subsequent slow remelting, and it is sometimes possible to eliminate a zinciferous lead which collects in the sump of the furnace. How to use zinc-oxide in a sentence. Anode sentence examples anode The chlorine escapes at the anode, the hydrogen at the cathode. zinc-oxide example sentences. 28 Inorganic chemistry in particular provided the bulk of new pigments based on chromium, cadmium, cobalt, 29 The South exported textiles and electronic goods in return for, 30 These mountains near the settlements provide sheep and cattle farming as well as, 3 The gaseous metal is cooled and condenses into liquid, 4 Brass is formed by the fusion of copper and. The table below gives the average production of zinc, argentiferous lead, iron-pyrites and other ores during the quinquennial period 1901f 905. The principal industries are the smelting of zinc and the manufacture of cement, rolled zinc, bricks, sulphuric acid and clocks; in 1905 the city's factory products were valued at $3,158,173. A zinc coating is applied to the steel for rust protection. In Burnett's process a solution of zinc chloride is forced into the pores of the wood. Molybdenum sesquioxide, Mo 2 O 3, a black mass insoluble in acids, is formed by heating the corresponding hydroxide in vacuo, or by digesting the trioxide with zinc and hydrochloric acid. Fortunately, however, the small amounts of any of them that are likely to be found in commercial zinc are not for most purposes very deleterious. Iron, zinc and lead are found in the vicinity, and some coal is mined. Example sentences with the word zinc-oxide. The zinc cyanide bath may be used for small objects, but for heavy goods the sulphate bath is employed. It can be prepared by the reduction of phenyl propiolic acid with zinc and acetic acid, by heating benzal malonic acid, by the condensation of ethyl acetate with benzaldehyde in the presence of sodium ethylate or by the so-called "Perkin reaction"; the latter being the method commonly employed. BLENDE, or Sphalerite, a naturally occurring zinc sulphide, ZnS, and an important ore of zinc. Summing up the economic features of the Cordilleran belt, it includes many of the best coal-mines and the most extensive deposits of gold, copper, lead and zinc of the Dominion, while in silver, nickel and iron Ontario takes the lead. Zinc is a bluish-white metal which is used to make other metals, or to cover other metals, such as steel, as a protective coating. Chablay, Comptes rendus, 1906, 1 43, p. 123) 2CH 2 :CH CH 2 OH+2NH 3 Na = CH,:CH CH3+CH2:CH CH20Na +NaOH+2NH31 from the lower members of the series by heating them with alkyl halides in the presence of lead oxide or lime: C5H,9-I-2CH31 =2H1+ C 7 H, 4 i and by the action of the zinc alkyls upon the halogen substituted olefines. Transparent yellow cleavage masses of large size occur in limestone in the zinc mines at Picos de Europa in the province of Santander, Spain. Zinc ores, in the several varieties of carbonates, silicates, oxide, sulphide and sulphate of zinc, have been found in several of the Australian states, but have attracted little attention except in New South Wales, where special efforts are being made successfully to produce a high-grade zinc concentrate from the sulphide ores. The concentration of the simple copper ions is then so much diminished that the copper plate becomes an anode with regard to zinc. The Fuller bichromate battery consists of an outer jar containing a solution of bichromate of potash and sulphuric acid, in which a plate of hard carbon is immersed; in the jar there is also a porous pot containing dilute sulphuric acid and a small quantity (2 oz.) It combines with many metallic sulphates (silver, zinc, cobalt, nickel, &c.) to form double sulphates of the type Cs2S04 RS04.6H20. Zinc does not occur free in nature, but in combination it is widely diffused. Thanks for contributing. Either hemoglobinopathy or thalassemia, or both, may cause anemia. The mother liquor includes generally more or less of nickel, cobalt, zinc and other heavy metals, which, as Wailer showed, can be removed as insoluble sulphides by the addition of ammonium sulphide; uranium, under the circumstances, is not precipitated by this reagent. The strengths employed depend also upon the mode of precipitation adopted, stronger solutions (up to 0.25% KCN) being used when zinc is the precipitant. 3. The materials are generally used in the form either of oxides (lead, zinc, silica, &c.) or of salts readily decomposed by heat, such as the nitrates or carbonates. A compound sentence with “zinc” contains at least two independent clauses. Owing to the fact that at temperatures between its melting and boiling point zinc has a strong affinity for iron, it is often contaminated by the scraper while being drawn from the condenser, as is shown by the fact that the scraper wears away rapidly. Some brassfounders break from a single ingot the quantity of zinc required to produce the amount of brass they wish to compound in one crucible, but when perfect uniformity is desired the importance of remelting the zinc on a large scale cannot be too strongly emphasized. When prepared by the action of metals on bases, zinc or aluminium and caustic soda or caustic potash are used. This dissolves out the zinc. There are also iron, zinc and chemical manufactures, and the cultivation of agricultural seeds is carried on. When hydraulic pressure to the amount of 2000 to 3000 lb per square inch is applied, the saving is unquestioned, since less time is required to dry the pressed retort, its life in the furnaces is longer, its absorption of zinc is less, and the loss of zinc by passage through its walls in the form of vapour is reduced. The next group may contain black nickel and cobalt sulphides, flesh-coloured manganese sulphide, and white zinc sulphide. Volta's cell consists essentially of two plates of different metals, such as zinc and copper, connected by an electrolyte such as a solution of salt or acid. It will become to white zinc sulphide after absorbing sulfide in air to be poor The output of zinc was 2,168,783 lb (valued at $127,958). Soc., 1880, 37, p. 740) by the action of cyanogen gas on zinc ethyl. In 1853 works were established for the manufacture of white oxide of zinc from a calamine found here, in the next year metallic zinc was produced, and in 1865 the first sheet zinc made in America was rolled here. Zinc dissolves at the anode, an equal amount of zinc replaces an equivalent amount of copper on the other side of the porous partition, and the same amount of copper is deposited on the cathode. The cause of the spongy deposit is variously explained, some (Siemens and Halske) ascribing it to the existence of a compound of zinc and hydrogen, and others, among whom are G. Borchers, trace it to the presence of oxide, produced, for example, either by the use of a solution containing a trace of basic salt of zinc (to prevent which the bath should be kept just - almost imperceptibly - acid), or by the presence of a more electro-negative metal, which, being co-deposited, sets up local action at the expense of the zinc. It can lift rate of zinc reclamation, disjoin the lead and zinc. 3. Lead is of frequent occurrence, and indeed the area through which copper, silver, lead, tin and zinc are distributed in sufficient quantities to make mining answer, comprises at least 80,000 sq. Hence the quantity in amperehours passing through the electrolytic cell being known and the fraction of the whole quantity taken by the cell being known, the quantity supplied to the house was determined. A small quantity of zinc (7 tons in 1906) is occasionally produced. or zinc spar, which at one time was the principal ore; it almost invariably contains the carbonates of cadmium, iron, manganese, magnesium and calcium, and may be contaminated with clay, oxides of iron, galena and calcite; "white calamine" owes its colour to much clay; "red calamine" to admixed iron and manganese oxides. Copper and zinc increase the volatility far more than lead, while the greatest volatility is induced, according to T. Magnetic pyrites, copper pyrites, zinc blende and arsenical pyrites are other and less important examples, the last constituting the gold ore formerly worked in Silesia. of zinc enough sulphur is liberated to produce one ton of strong sulphuric acid, and unless this is collected not only are poisonous gases discharged, but the waste is considerable. Dibromcotinine on hydrolysis yields oxalic acid, methylamine and 0-methyl pyridyl ketone: C10H10Br2N20+3H20+0= H2C204-ECH 3 NH 2 +C 5 H 4 N 000H 3 +2HBr; whilst dibromticonine yields methylamine, malonic acid and nicotinic acid: C10H8Br2N202+ 4H20=CH 3 NH 2 +CH 2 (CO 2 H) 2 +C 5 H 4 N CO 2 H+2HBr, or if heated with zinc and caustic potash, methylamine and pyridyl-ay-dioxybutyric acid. According to the census data for 1889 and 1902 there was an in Zinc crease in value of product of 184.1% in the interval, and of 109.5% in the quantity of ore produced. These two independent clauses can be combined with a comma and a … Many of the sentences have audio, too. A ketose may also be obtained by reducing the osazone with zinc and acetic to an osamine, which with nitrous acid gives the ketose: R R R C :N NHPh. Grammatical terminology. On the other side, you can also make Zinc sentence in Hindi as several English words are also used in the English language. When the zinc and copper plates are connected through a wire, a current flows, the conventionally positive electricity passing from copper to zinc in the wire and from zinc to copper in the cell. The electromotive force of each cell is i 07 volts and the resistance 3 ohms. 20 examples: Congenital malformations resulting from zinc deficiency in rats. If zinc be heated to near its boiling-point, it catches fire and burns with a brilliant light into its powdery white oxide, which forms a reek in the air (lana philosophica, " philosopher's wool"). hydrogen during the action of zinc on dilute sulphuric acid) performs work equivalent to 580 cal. The Monteponi Company smelts its own zinc, but the lead is almost all smelted at the furnaces of Pertusola near Spezia. The most productive are those of iron and zinc. The Zinc meaning in Hindi will surely enhance your vocabulary. The yield of lignite is less than 100,000 tons annually; of zinc 10,000 to 12,000 tons; of copper and lead small. Add collection 200. On the other side, you can also make Zinc sentence in Urdu as several English words are also used in the English language. Search the definition and the translation in context for “ zinc ”, with examples of use extracted from real-life communication. Grapes, barley, esparto grass, dry figs, almonds and zinc are exported. Zinc forms only one oxide, ZnO, from which is derived a wellcharacterized series of salts. Hermite, which consisted in the production of bleach-liquors by the electrolysis (according to the 1st edition of the 1884 patent) of magnesium or calcium chloride between platinum anodes carried in wooden frames, and zinc cathodes. 2. 87, p. 325) synthesized it by acting with benzoyl chloride on zinc glycocollide. Further he prepared a large number of substances, including the chlorides and other salts of lead, tin, iron, zinc, copper, antimony and arsenic, and he even noted some of the phenomena of double decomposition. Of the rest, the following are readily oxidized by steam at a red heat, with formation of hydrogen gas - zinc, iron, cadmium, cobalt, nickel, tin. Over 100,000 Spanish translations of English words and phrases. It may also be precipitated as zinc ammonium phosphate, NH4ZnP04, which is weighed on a filter tared at 100°. Read more… They are high in zinc, iron, magnesium and protein. The more important are as follows: by decomposing strongly heated sulphuric acid in the presence of a contact substance; by heating an intimate mixture of one part of sodium nitrate with two parts of zinc oxide (T. Traube (Ber., 1882-1893) found that when zinc is oxidized in presence of water equivalent quantities of zinc hydroxide and hydrogen peroxide are formed at first, thus: Zn+H 2 O+0 2 =ZnO+H 2 0 2, followed by ZnO+H 2 O=Zn(OH) 2, Zn+H 2 O 2 =Zn(OH) 2. For this reason the acid copper-bath is not used for iron or zinc objects, a bath containing copper cyanide or oxide dissolved in potassium cyanide being substituted. Examples of zinc in a sentence: 1. In recent years, lead and zinc production has been unprofitable. The sulphocyanide is converted into the potassium salt by adding potassium sulphate, and finally desulphurized by lead, zinc, or iron. Gold and Zinc.-When present in small quantities zinc renders gold TABLE II.-Gold brittle, but it may be added to gold in larger quantities without destroying the ductility of the precious metal; Peligot proved that a triple alloy of gold, copper and zinc, which contains 5.8% of the lastnamed, is perfectly ductile. D. One of the neighbouring mines, the Proprietary, is the richest in the world; gold is associated with the silver; large quantities of lead, good copper lodes, zinc and tin are also found. The first step in the synthetical production of alizarin was the discovery in 1868 of C. Graebe and C. Liebermann that on heating with zinc dust, alizarin was converted into anthracene. It may be prepared from osmiridium by fusing the alloy with zinc, the zinc being afterwards removed by distillation. About 60% of the zinc used in desilverizing is recovered in a form to be used again. of zinc. With zinc dust in presence of caustic soda it yields the secondary alcohol oxanthranol, C 6 H 4: CO Choh: C 6 H 4, with tin and hydrochloric acid, the phenolic compound anthranol, C5H4: CO. C (OH): C 6 H 4; and with hydriodic acid at i so C. or on distillation with zinc dust, the hydrocarbon anthracene, C 14 H 10. The precipitation is effected by zinc in the form of bright turnings, or coated with lead, or by electrolysis. 7764 (1890)] decomposes sulphocyanides by fusing with zinc: the zinc is heated with a small quantity of carbon and when completely fused potassium sulphocyanide is added, the mass being well stirred and heated until it thickens and begins to turn red; finally it is allowed to cool out of contact with air, lixiviated with water, the solution decanted, and evaporated to a paste in vacuo. The residual argon, derived doubtless from the water used to manipulate the gases, was but a small 43 44 45 46 47 48 49 5°00 Argon Red Zinc Hydrogen Hy F FIG. 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