Bernthsen (Ann., 1884, 224, p. 1) condensed diphenylamine with fatty acids, in the presence of zinc chloride. 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. Examples of zinc deficiency in a sentence, how to use it. 276+6 sentence examples: 1. If the zinc is present as blende, this operation offers considerable difficulties, because in the roasting process the zinc sulphide passes in the first instance into sulphate, which demands a high temperature for its conversion into oxide. Stratoni lead and zinc mines were condemned recently after a nearby gold mine … In the form of a powder, it is obtained by reducing the oxide with zinc and extracting with soda, or by dissolving out the manganese from its alloys with tungsten. How to use temperature in a sentence. Zinc bromide, ZnBr 2, and Zinc iodide, Zn12, are deliquescent solids formed by the direct union of their elements. Fischer); by heating salicylic aldehyde with aniline and zinc chloride to 260° C. (R. Mohlau, Ber., 1886, 1 9, p. 2 45 2); and by distilling acridone over zinc dust (C. Graebe, Ber., 1892, 2 5, p. 1735). The iron mines produce much less than formerly, and the want of iron is a grave defect in Belgian prosperity, as about £5,000,eoo sterling worth of iron has to be imported annually, chiefly from French Lorraine. There are important zinc works at Auby and St Amand (Nord) and Viviez (Aveyron) and Noyelles-Godault (Pas-de-Calais); there are lead works at the latter place, and others of greater irirportance at Couron (Loire-Infrieure). Zinc, lignite and common salt are mined, but the output is small and of slight value. of zinc, but the dressed zinc ore as sold ranges from 45 to 62 per cent. The zinc plates are then drawn close together by means of straps, and suspended before a fire until the drying is effected. A very similar fact, that brass may be formed by electrodeposition from a solution containing zinc and copper, has long been known. Plates of platinum and pure or amalgamated zinc are separated by a porous pot, and each surrounded by some of the same solution of a salt of a metal more oxidizable than zinc, such as potassium. ইংরেজি - বাংলা Online অভিধান। Providing the maximum meaning of a … pyrithione zinc should be in sentence. However, you need to apply proper grammar rules in any sentence. Question: When Adding Hydrochloric Acid (HCl) To Zinc, In One Sentence Explain Why A Lit Bunsen Burner Should Not Be In The Fume Hood. Iron, zinc, cadmium, also tin under certain conditions, reduce the dilute acid, partially at least, to nitrous oxide, N 2 0, or ammonium nitrate, NH4N03. 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. The mineral is also frequently found massive, with a coarse or fine granular structure and a crystalline fracture; sometimes it occurs as a soft, white, amorphous deposit resembling artificially precipitated zinc sulphide. Many are found as minerals, the more important of such naturally occurring carbonates being cerussite (lead carbonate, PbC03), malachite and azurite (both basic copper carbonates), calamine (zinc carbonate, ZnCO 3), witherite (barium carbonate, BaCO 3), strontianite (strontium carbonate, SrC03), calcite (calcium carbonate, CaC03), dolomite (calcium magnesium carbonate, CaCO 3 MgCO 3), and sodium carbonate, Na 2 CO 3. 2 lb of zinc in the form of sulphate, and z to 4 oz. When heated with zinc dust, it yields ethylene and water. There are many other valuable ores - copper, iron, lead, zinc, antimony, chrome and manganese. The zinc vapour produced descends through the pipe and condenses into liquid zinc, which is collected in a ladle held under the outlet end of the pipe. The zinc and lead of the Joplin district of Missouri are in the limestone of this system, and the corresponding limestone in some parts of Colorado, as at Leadville, is one of the horizons of rich ore. At many points in the Appalachian belt attempts had been made to work mines of copper and lead, but with no considerable success, About the middle of the century extensive works were erected at Newark, New Jersey, fo1~ the manufacture of the oxide of zinc for paint; about 1100 tons were produced in 1852. In the Transvaal the operation occupies 32 to 4 days for fine sands, and up to 14 days for coarse sands; the quantity of cyanide per ton of tailings varies from 0.26 to 0.28 lb, for electrolytic precipitation, and o 5 lb for zinc precipitation. Words often used with zinc in an English sentence: amount of zinc, zinc deficiency, zinc mine, zinc oxide, zinc plate Ulcerated lesions may require topical antimicrobials and antifungal agents, barrier agents such as zinc … It is probable that the corky or suberized cells do not contain any cellulose (Gilson, Wisselingh); whilst cuticularized cells are only modified in their outer layers, cellulose inner layers being still recognizable. 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. In "cold galvanizing" the zinc is deposited electrolytically from a bath, preferably kept neutral or slightly acid, containing a io% solution of crystallized zinc sulphate, ZnSO 4.7H20. noun The objection that a copper plate shows signs of wear after a thousand impressions have been taken has been removed, since duplicate plates are readily produced by electrotyping, while transfers of copper engravings, on stone, zinc or aluminium, make it possible to turn out large editions in a printing-machine, which thus supersedes the slow-working hand-press. For the metallurgy see Walter Renton Ingalls, The Metallurgy of Zinc and Cadmium; Production and Properties of Zinc; A. Lodin, Metallurgie du zinc (1905); C. Schnabel, Handbook of Metallurgy, English translation by H. It may be prepared by fusion of ortho-toluene sulphonic acid with potash; by the action of phosphorus pentoxide on carvacrol; or by the action of zinc chloride on camphor. Before being placed in the cells the zinc plates were weighed. zinc-oxide example sentences. Zinc chloride definition is - a poisonous caustic deliquescent salt ZnCl2 used especially as a wood preservative, drying agent, and catalyst. When heated with zinc dust, tac: acid decomposes into carbon monoxide and hydrogen. The name blende was used by G. The substance is usually optically isotropic, though sometimes it exhibits anomalous double refraction; fibrous zinc sulphide which is doubly refracting is to be referred to the hexagonal FIG. Potassium, for example, yields peroxide, K202 or K204; sodium gives Na202; the barium-group metals, as well as magnesium, cadmium, zinc, lead, copper, are converted into their monoxides MeO. Zinc oxide, ZnO, is maufactured for paint by two processes - directly from the ore mixed with coal by volatilization on a grate, as in the Wetherill oxide process, and by oxidizing the vapour given off by a boiling bath of zinc metal. click for more sentence… The chief minerals are sulphur, in the production of which Italy holds one of the first places, iron, zinc, lead; these, and, to a smaller extent, copper of an inferior quality, manganese and antimony, are successfully mined. Epsom salts crystallizes in the orthorhombic system, being isomorphous with the corresponding zinc and nickel sulphates, and also with magnesium chromate. These obscurities began to be finally cleared up with the researches of Johann Heinrich Pott (1692-1777), a pupil of Stahl, published in his Exercitationes chemicae de Wismutho (1769), and of N. It is precipitated as the metal from solutions of its salts by the metals of the alkalis and alkaline earths, zinc, iron, copper, &c. In its chemical affinities it resembles arsenic and antimony; an important distinction is that it forms no hydrogen compound analogous to arsine and stibine. Besides lead, gypsum and zinc are raised, to a small extent; and for the quarrying of limestone Derbyshire is one of the principal English counties. Grammatical terminology. English Sentences Focusing on Words and Their Word Families The Word "Zinc" in Example Sentences Michaels (Ber., 1897, 30, p. 1383) by distilling thebenol over zinc dust in a stream of hydrogen, or by the action of hydriodic acid and phosphorus at 220° C. on thebenol. The slime so obtained consists of finely divided gold and silver (5-5 0%), zinc (30-60%), lead (io%), carbon (io%), together with tin, copper, antimony, arsenic and other impurities of the zinc and ores. How To Use Zinc In a Sentence – Zinc sentence in English is simple to make. By the action of nitric acid on guanidine in the presence of sulphuric acid, nitroguanidine, HN: C(NH 2) NH NO 2 (a substance possessing acid properties) is obtained; from which, by reduction with zinc dust, amidoguanidine, HN :C(NH 2) NH NH 2, is formed. The effect of additives on zinc - nickel alloy electroplating was studied. 2. Hydrogen may also be obtained by the action of zinc on ammonium salts (the nitrate excepted) (Lorin, Comptes rendus, 1865, 60, p. 745) and by heating the alkali formates or oxalates with caustic potash or soda, Na2C204+2NaOH = H 2 +2Na 2 CO 3. 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. 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