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the preparation of copper

  • 1 aerarius

    aerārĭus, a, um, adj. [aes].
    I.
    That pertains to or is made of copper, bronze, etc.:

    aerarium metallum,

    a copper-mine, Vitr. 7, 9; Plin. 33, 5, 26, § 86;

    fornaces,

    smelting-furnaces, id. 11, 36, 42, § 119:

    fabrica,

    the preparation of copper, id. 7, 56, 57, § 197 faber, a coppersmith, id. 34, 8, 19, 6, § 61 (also aerarius alone; v. below).—
    II.
    Of or pertaining to money:

    propter aerariam rationem non satis erat in tabulis inspexisse quantum deberetur,

    on account of the standard of coin, Cic. Quint. 4:

    hinc dicuntur milites aerarii, ab aere quod stipendia facerent,

    Varr. L. L. 5, § 181 Müll.: tribunus, who superintended disbursements of the public treasury: aerarii tribuni a tribuendo aere sunt appellati, Paul. ex Fest. p. 2 Müll.;

    or, acc. to Varr.: ab eo, quibus attributa erat pecunia, ut militi reddant, tribuni aerarii dicti,

    Varr. L. L. 5, § 181 Müll.; v. tribunus.—Hence, subst.: aerārĭus, i, m.
    1.
    (Sc. faber.) One who works in copper, etc., a coppersmith:

    in aerariorum officinis,

    Plin. 16, 6, 8, § 23:

    aerariorum marculi,

    Mart. 12, 57, 6; so Inscr. Orell. 4140.—
    2.
    (Sc. civis.) A citizen of the lowest class, who paid only a poll-tax (aera pendebat), and had no right of voting. Other citizens, upon the commission of great crimes, were degraded by the censors into this class, and deprived of all previous dignities. (Cf. Gell. 4, 12 and 29; Drak. ad Liv. 24, 18, 6;

    Smith's Dict. Antiq., and Nieb. Röm. Gesch. 2, 63 and 452.) Referre aliquem in aerarios,

    Cic. Clu. 43. eximere aliquem ex aerariis, id. de Or. 2, 66 ext.; Liv. 24, 18:

    omnes, quos senatu moverunt, quibusque equos ademerunt (censores) aerarios fecerunt et tribu moverunt,

    id. 42, 10 al. —
    B.
    aerārĭa, ae, f.
    1.
    (Sc. fodina, like argentaria and ferraria, Liv. 34, 21:

    auraria,

    Tac. A. 6, 19 al.) A mine:

    multis locis apud eos (sc. Aquitanos) aerariae structuraeque sunt,

    Caes. B. G. 3, 21 Herz. —
    2.
    (Sc. officina.) A smelting or refining house, Varr. L. L. 8, 33.—
    3.
    (Sc. fornax.) A smelting-furnace, Plin. 34, 13, 33, § 128.—
    C.
    aerārĭum, i, n. (sc. stabulum), the place in the temple of Saturn at Rome, where the public treasure was kept, the treasury: to tamieion, to koinon: Aerarium sane populus Romanus in aede Saturni habuit, Paul. ex Fest. p. 2 Müll.; cf. Plin. Pan. 92:

    referre pecuniam in aerarium,

    Cic. Agr. 2, 27 (for which deferre is often used in Liv. q.v.):

    dare alicui pecuniam ex aerario,

    id. Verr. 2, 3, 70.—Also for the public treasure or finances:

    C. Gracchus, cum largitiones maximas fecisset et effudisset aerarium,

    Cic. Tusc. 3, 20, 48, Nep. Arist. 3, 1; id. Att. 8.—In the time of the emperors the aerarium (public treasure) was distinguished from fiscus (the wealth of the emperor):

    bona Sejani ablata aerario, ut in fisco cogerentur,

    Tac. A. 6, 2; Plin. Pan. 36, Suet. Vesp. 16;

    v. fiscus. In the treasury the public archives were kept: factum senatus consultum, ne decreta patrum ante diem decimum ad aerarium deferrentur,

    Tac. A. 3, 51; cf. id. ib. 13, 28; Suet. Aug. 94; id. Caes. 28;

    and also the standards: signa ex aerario prompta,

    Liv. 4, 22.—The Quaestores aerarii (under Augustus and his immediate successors the Praetores) presided over the aerarium, with whom the Tribuni aerarii were associated as assistants; cf.

    Quaestor and Tribunus.—The aerarium contained also a fund, established after the invasion of Gaul, and augmented by the immense booty acquired in the wars with Carthage, Macedonia, Corinth, etc., as well as by the tribute of the manumissi, which could be used only in cases of extreme public necessity, hence with the epithet sanctius,

    Caes. B. C. 1, 24:

    aurum vicesimarium, quod in sanctiore aerario ad ultimos casus servaretur, promi placuit,

    Liv. 27, 10; cf. Cic. Att. 7, 21; id. Verr. 2, 4, 63 (of the Syracusans). Hence trop., Quint. 10, 3, 3:

    aerarium militare, destined by Aug. for defraying the expenses of war,

    Tac. A. 1, 78; Suet. Aug. 49; Plin. Pan. 92, 1.

    Lewis & Short latin dictionary > aerarius

  • 2 Ercker, Lazarus

    [br]
    b. c.1530 Annaberg, Saxony, Germany
    d. 1594 Prague, Bohemia
    [br]
    German chemist and metallurgist.
    [br]
    Educated at Wittenberg University during 1547–8, Ercker obtained in 1554, through one of his wife's relatives, the post of Assayer from the Elector Augustus at Dresden. From then on he took a succession of posts in mining and metallurgy. In 1555 he was Chief Consultant and Supervisor of all matters relating to mines, but for some unknown reason was demoted to Warden of the Mint at Annaberg. In 1558 he travelled to the Tyrol to study the mines in that region, and in the same year Prince Henry of Brunswick appointed him Warden, then Master, of the Mint at Goslar. Ercker later moved to Prague where, through another of his wife's relatives, he was appointed Control Tester at Kutna Hora. It was there that he wrote his best-known book, Die Beschreibung allfürnemisten mineralischen Ertz, which drew him to the attention of the Emperor Maximilian, who made him Courier for Mining and a clerk of the Supreme Court of Bohemia. The next Emperor, Rudolf II, a noted patron of science and alchemy, promoted Ercker to Chief Inspector of Mines and ennobled him in 1586 with the title Von Schreckenfels'. His second wife managed the mint at Kutna Hora and his two sons became assayers. These appointments gained him much experience of the extraction and refining of metals. This first bore fruit in a book on assaying, Probierbüchlein, printed in 1556, followed by one on minting, Münzbuch, in 1563. His main work, Die Beschreibung, was a systematic review of the methods of obtaining, refining and testing the alloys and minerals of gold, silver, copper, antimony, mercury and lead. The preparation of acids, salts and other compounds is also covered, and his apparatus is fully described and illustrated. Although Ercker used Agricola's De re metattica as a model, his own work was securely based on his practical experience. Die Beschreibung was the first manual of analytical and metallurgical chemistry and influenced later writers such as Glauber on assaying. After the first edition in Prague came four further editions in Frankfurt-am-Main.
    [br]
    Bibliography
    Die Beschreibung allfürnemisten mineralischen Ertz, Prague. 1556, Probierbuchlein.
    1563, Munzbuch.
    Further Reading
    P.R.Beierlein, 1955, Lazarus Ercker, Bergmann, Hüttenmann und Münzmeister im 16. Jahrhundert, Berlin (the best biography, although the chemical details are incomplete).
    J.R.Partington, 1961, History of Chemistry, London, Vol. II, pp. 104–7.
    E.V.Armstrong and H.Lukens, 1939, "Lazarus Ercker and his Probierbuch", J.Chem. Ed.
    16: 553–62.
    LRD

    Biographical history of technology > Ercker, Lazarus

  • 3 सूर्यावर्त


    sūryâ̱varta
    m. N. of two plants Suṡr. ṠārṇgS. ;

    Scindapsus Officinalis L. ;
    a kind of sunflower, Helianthus Indicus ib. ;
    Cleome Pentaphylla ib. ;
    Cleome Viscosa W. ;
    head-ache which increases orﾠ diminishes according to the course of the sun Suṡr. ;
    a kind of Samādhi Buddh. ;
    N. of a water-basin Ṡatr. ;
    (ā) f. Polanisia Icosandra L. ;
    - rasa m. a partic. preparation of copper L.

    Sanskrit-English dictionary > सूर्यावर्त

  • 4 रसः _rasḥ

    रसः [रस्-अच्]
    1 Sap, juice (of trees); इक्षुरसः, कुसुमरसः &c.
    -2 A liquid, fluid; यष्टव्यं पशुभिर्मुख्यैरथो बीजै रसैरिति Mb.14.91.21; न्यस्ताक्षरा धातुरसेन यत्र Ku.1.7.
    -3 Water; सहस्रगुणमुत्स्रष्टुमादत्ते हि रसं रविः R.1.18; Bv.2.144.
    -4 Liquor, drink; Ms.2.177.
    -5 A draught, potion.
    -6 Taste, flavour, relish (fig. also) (considered in Vaiś. phil. as one of the 24 gunas; the rasas are six; कटु, अम्ल, मधुर, लवण, तिक्त and कषाय); परायत्तः प्रीतेः कथ- मिव रसं वेत्तु पुरुषः Mu.3.4; U.2.2.
    -7 A sauce, condi- ment,
    -8 An object of taste; मनो बबन्धान्यरसान् विलङ्ध्य सा R.3.4.
    -9 Taste or inclination for a thing, liking, desire; रसवर्जं रसो$प्यस्य परं दृष्ट्वा निवर्तते Bg.2.59; इष्टे वस्तुन्युपचितरसाः प्रेमराशीभवन्ति Me.114.
    -1 Love, affec- tion; जरसा यस्मिन्नहार्यो रसः U.1.39; प्रसरति रसो निर्वृतिघनः 6.11 'feeling of love'; रसादृते V.2.21; Ku. 3.37.
    -11 Pleasure, delight, happiness; चिरात्सुतस्पर्श- रसज्ञतां ययौ R.3.26.
    -12 Charm, interest, elegance, beauty.
    -13 Pathos, emotion, feeling.
    -14 (In poetic compositions) A sentiment; नवरसरुचिरां निर्मितिमादधती भारती कवेर्जयति; K. P.1. (The rasas are usually eight:-- शृङ्गारहास्यकरुणरौद्रवीरभयानकाः । भीभत्साद्भुतसंज्ञौ चेत्यष्टौ नाट्ये रसाः स्मृताः ॥ but sometimes शान्तरस is added; thus making the total number 9; निर्वेदस्थायिभावो$स्ति शान्तो$पि नवमो रसः K. P.4; sometimes a tenth, वात्सल्यरस, is also added. Rasas are more or less a necessary factor of every poetic composition, but, according to Viśvanātha, they constitute the very essence of poetry; वाक्यं रसात्मकं काव्यम् S. D.3.).
    -15 Essence, pith, best part; ब्रह्म तेजोमयं शुक्रं यस्य सर्वमिदं रसःMb.12.24.9.
    -16 A con- stituent fluid of the body.
    -17 Semen virile.
    -18 Mer- cury.
    -19 A poison, poisonous drink; as in तीक्ष्णरस- दायिनः; रसविधानकौशलैः Dk.2.8.
    -2 Any mineral metallic salt.
    -21 Juice of the sugar-cane.
    -22 Milk.
    -23 Melted butter.
    -24 Nectar; मयः कूपरसे$क्षिपत् Bhāg.7.1.59-6.
    -25 Soup, broth.
    -26 A symboli- cal expression for the number 'six'.
    -27 Green onion.
    -28 Myrrh.
    -29 Gold.
    -3 A metal in a state of fusion.
    -31 See रसातल; अनेन नूनं वेदानां कृतमाहरणं रसात् Mb.12.347.67.
    -32 The tongue (as the organ of taste); वाण्यां च छन्दांसि रसे जलेशम् Bhāg.8.2.27; जितं सर्वं जिते रसे 11.8.21.
    -33 (With Vaiṣṇavas.) Dispo- sition of the heart or mind (the five Rasas are शान्ति, दास्य, साख्य, वात्सल्य and माधुर्य).
    -Comp. -अग्रजम् an ointment prepared from the calx of brass.
    -अञ्जनम् vitriol of copper, a sort of collyrium.
    -अधिक a.
    1 tasty.
    -2 abounding in pleasures, splendid; Ś.7.2 (v. l.). (
    -कः) borax.
    -अन्तरम् 1 a different taste.
    -2 different feelings or sentiments.
    -अभिनिवेशः intentness of affection.
    -अम्लः 1 a kind of sorrel.
    -2 sour sauce.
    -अयनम् 1 an elixir of life (elixir vitæ), any medicine supposed to prolong life and prevent old age; निखिलरसायनमहितो गन्धेनोग्रेण लशुन इव R. G.
    -2 (fig.) serving as an elixir vitæ, i. e. that which gratifies or regales; आनन्दनानि हृदयैकरसायनानि Māl.6.8; मनसश्च रसायनानि U.1.37; श्रोत्र˚, कर्ण˚ &c.
    -3 alchemy or chemistry.
    -4 any medicinal compound.
    -5 butter-milk.
    -6 poison.
    -7 long pepper.
    (-नः) 1 an alchemist.
    -2 N. of Garuḍa. ˚श्रेष्ठः mer- cury. (
    -नी f.)
    1 a channel for the fluids of the body.
    -2 N. of several plants:-- गुडूची, काकमाची, महाकरञ्ज, गोरक्षदुग्धा and मांसच्छदा.
    -आत्मक a.
    1 consisting of juice or sentiment.
    -2 elegant, beautiful.
    -3 having taste or flavour.
    -4 ambrosial; रसात्मकस्योडुपतेश्च रश्मयः Ku.5.22.
    -5 fluid, liquid, watery; सोमो भूत्वा रसात्मकः Bg.15.13.
    -आदानम् absorption of fluid, suction.
    -आधारः the sun.
    -आभासः 1 the semblance or mere appearance of a sentiment; अनौचित्यप्रवृत्तत्वे आभासो रसभावयोः S. D.
    -2 an improper manifestation of a sentiment.
    -आश्रयः a. embodying or representing sentiments.
    -आस्वादः 1 tasting juices of flavours.
    -2 perception or appreciation of poetic sentiments, a perception of poetical charm; as in काव्यामृतरसास्वादः.
    -आस्वादिन् m. a bee.
    -आह्वः tur- pentine.
    -इक्षुः sugar-cane.
    -इन्द्रः 1 mercury.
    -2 the philosopher's stone (the touch of which is said to turn iron into gold); ˚वेधजम्, संजातम् the gold.
    -उत्तमम् milk.
    (-मः) 1 quicksilver.
    -2 Phaseolus Mungo (Mar. मूग).
    -3 milk.
    -उत्पत्तिः 1 production of taste.
    -2 development of passion or sentiment.
    -3 generation of the vital fluids.
    -उद्भवम् 1 a pearl.
    -2 vermilion.
    -उपलम् a pearl.
    -ऊनम् garlic; also ऊनकः.
    -ओदनम् rice boiled in meat-broth.
    -कर्पूरम् sublimate of mer- cury.
    -कर्मन् n. preparation of quicksilver.
    -केसरम् camphor.
    -क्रिया the inspissation and application of fluid remedies.
    -गन्धः, -न्धम् gum-myrrh.
    -गन्धकः 1 myrrh.
    -2 sulphur.
    -गर्भम् 1 = रसाञ्जन.
    -2 vermilion.
    -गुण a. possessing the quality of taste; ज्योतिषश्च विकुर्वाणा- दापो रसगुणाः स्मृताः Ms.1.78.
    -ग्रह a.
    1 perceiving flavours.
    -2 appreciating or enjoying pleasures. (
    -हः) the organ of taste.
    -घन a. full of juice.
    -घ्नः borax.
    -जः 1 sugar, molasses.
    -2 an insect produced by the fermentation of liquids.
    -जम् blood. -a. bred in fluids; Ms.11.143.
    -जातम् an ointment prepared from the calx of brass.
    -ज्ञ a.
    1 one who appreciates the flavour or excellence of, one who knows the taste of; सांसारिकेषु च सुखेषु वयं रसज्ञाः U.2.22.
    -2 capable of discerning the beauty of things.
    (-ज्ञः) 1 a man of taste or feeling, a critic, an appreciative person, a poet.
    -2 an alchemist.
    -3 a physician, or one who prepares mer- curial or other chemical compounds. (
    -ज्ञा) the tongue; सखि मा जल्प तवायसी रसज्ञा Bv.2.59; (
    -रसज्ञता, त्वम् means
    1 poetical skill.
    -2 alchemy.
    -3 knowledge of flavours.
    -4 discrimination.).
    -ज्ञानम् a branch of medical science.
    -ज्येष्ठः 1 the sweet taste.
    -2 the love sentiment.
    -तन्मात्रम् the subtle element of taste.
    -तेजस् n. blood.
    -दः 1 a physician; Mb.12.121.45.
    -2 a spy who administers poison; Kau. A.1.12.
    -द्राविन् a kind of citron.
    -धातु n. quicksilver.
    -धेनुः a cow consisting of fruit-juice.
    -नाथः mercury.
    -नायकः N. of Sacute;iva.
    -निवृत्तिः loss of taste.
    -नेत्रिका red arsenic.
    -पाकजः molasses.
    -पाचकः a cook.
    -प्रबन्धः any poetical com- position, particularly a drama.
    -फलः the cocoanut tree.
    -भङ्गः the interruption or cessation of a sentiment.
    -भवम् blood.
    -भस्मम् n. oxide of mercury.
    -भेदः a preparation of quicksilver.
    -मलम् impure excretions.
    -मातृका the tongue.
    -योगः juices mixed scientifically.
    -राजः, -लोहः 1 = रसाञ्जन.
    -2 quick-silver.
    -वादः alche- my.
    -विक्रयः sale of liquors.
    -विद्धम् artificial gold.
    -शास्त्रम् the science of alchemy.
    -शोधनः borax. (
    -नम्) purification of mercury.
    -सरोरुहम् a red lotus.
    -सिद्ध a.
    1 accomplished in poetry, conversant with sentiments; जयन्ति ते सुकृतिनो रससिद्धाः कवीश्वराः Bh.2.24.
    -2 skilled in alchemy.
    -सिद्धिः f. skill in alchemy.
    -सिन्दूरम् a cinnabar made of zinc, mercury, blue vitriol and nitre.
    -स्थानम् vermilion.

    Sanskrit-English dictionary > रसः _rasḥ

  • 5 composition

    ˌkɔmpəˈzɪʃən сущ.
    1) а) составление, образование, построение;
    сочинение( какого-л. произведения) The composition of the report took two months. ≈ Составление отчета заняло два месяца. б) композиция, компоновка ∙ Syn: combination, formation, constitution, construction, composing, forming, creation, framing, shaping, fashioning, preparation, devising, compilation, making up в) линг. словосложение
    2) а) структура, композиция The elements of heroism and romance enter largely into the composition of the narrative. ≈ Элементы героического и романтического в сильной степени проникают в композицию рассказа. The composition of the painting is very graceful. ≈ Композиция картины весьма изящна. Syn: structure, design
    1., configuration, arrangement, form
    1., organization, framework, layout б) структура, состав;
    смесь, соединение, сплав Scientists study the composition of the soil. ≈ Ученые исследуют состав почвы. The composition of brass includes copper and zinc. ≈ Сплав желтой меди включает медь и цинк. Syn: make-up, constitution, combination
    3) склад ума, характер Persons who have a touch of madness in their composition. (Jowett) ≈ Люди, в характере которых есть некоторый налет безумия.
    4) а) литературное произведение, музыкальное произведение, произведение изобразительного искусства The orchestra played a modern composition. ≈ Оркестр играл современную пьесу. б) сочинение, композиция (в школе и т. п.) ∙ Syn: work
    1., opus, piece
    1., creation;
    concoction, production, product, exercise
    1., essay
    1.
    5) а) компромисс, соглашение Syn: compromise
    1. б) юр. компромиссное соглашение должника с кредиторами в) воен. соглашение о перемирии, о прекращении военных действий
    6) полигр. набор составление, построение;
    соединение сочинение (произведения) ;
    - he played a piano sonata of his own * он сыграл фортепианную сонату своего собственного сочинения (грамматика) производство, составление сложных слов (полиграфия) набор музыкальное сочинение, произведение;
    литературное произведение;
    произведение изобразительного искусства школьное, учебное сочинение;
    - I wrote a * about ny dog я написал сочинение о своей собаке курс литературной композиции;
    - * classes занятия по письменной практике;
    - a year of English * годичный курс литературной композиции на английском языке композиция;
    - the * of a picture композиция картины;
    - the * of speech построение речи склад (ума) ;
    - not a spark of generosity in his * он по натуре совсем не щедр;
    - he has a touch of madness in his * в его характере есть что-то безумное;
    он немного тронутый состав, структура;
    - * of a ministry состав министерства (спортивное) состав команды состав (химический) ;
    - * of a medicine состав лекарства (специальное) смесь, сплав;
    - * material( специальное) композит, композиционный материал агрегат;
    составные части соглашение о перемирии или о прекращении военных действий (юридическое) компромиссное соглашение должника с кредитором age ~ возрастной состав cold ~ полигр. машинописный набор cold ~ фотонабор composition агрегат ~ композиция, компоновка ~ композиция ~ юр. компромиссное соглашение должника с кредиторами ~ компромиссное соглашение должника с кредитором ~ литературное или музыкальное произведение ~ полигр. набор ~ построение ~ склад ума, характер;
    he has a touch of madness in his composition он "тронулся", он не в своем уме ~ соглашение;
    компромисс ~ воен. соглашение о перемирии, о прекращении военных действий ~ соглашение о перемирии ~ соглашение о перемирии или о прекращении военных действий ~ соединение, смесь, сплав;
    composition of forces физ. сложение сил ~ соединение ~ состав (химический) ;
    составные части ~ состав, структура ~ состав ~ составление, образование, построение;
    лингв. словосложение ~ составление, соединение ~ составление ~ строение ~ структура, состав ~ формирование ~ школьное сочинение ~ attr.: ~ book амер. тетрадь для упражнений ~ attr.: ~ book амер. тетрадь для упражнений ~ in bankruptcy признание банкротства ~ in bankruptcy соглашение о несостоятельности ~ of balances структура баланса ~ of costs структура затрат ~ соединение, смесь, сплав;
    composition of forces физ. сложение сил ~ of functions композиция функций ~ of lots состав партий товара ~ of portfolio состав портфеля заказов compulsory ~ принудительное компромиссное соглашение должника с кредитором file ~ вчт. формирование файла ~ склад ума, характер;
    he has a touch of madness in his composition он "тронулся", он не в своем уме make a ~ заключать компромиссное соглашение между должником и кредитором make a ~ заключать соглашение о перемирии portfolio ~ структура портфеля активов program ~ вчт. составление программы system ~ вчт. устройство системы voluntary ~ добровольное компромиссное соглашение должника с кредиторами voluntary ~ добровольный состав

    Большой англо-русский и русско-английский словарь > composition

  • 6 ore

    1) руда

    2) <metal.> заправка печи
    3) рудный
    – add ore
    – age asbestos ore
    – alunite ore
    – collective ore concentrate
    – crude ore
    – impregnated ore
    – metallic ore deposit
    – opening-up of ore deposit
    – ore analysis
    – ore blending
    – ore block
    – ore body
    – ore boil
    – ore charge
    – ore concentrate
    – ore constituent
    – ore deposit
    – ore dust
    – ore evaluation
    – ore fines
    – ore gantry
    – ore loss
    – ore mineral
    – ore mineral resources
    – ore picking hammer
    – ore pocket
    – ore preparation
    – ore pulp
    – ore sintering machine
    – ore slime
    – ore slurry
    – ore stock yard
    – pulverized ore
    – red iron ore
    – selective ore concentrate
    – sintered ore
    – sintering ore

    dress asbestos ore — обогащать асбест


    gray copper ore — < mining> руда блеклая


    roast the pyrite ore — обжигать колчедан

    Англо-русский технический словарь > ore

См. также в других словарях:

  • Copper(II) sulfate — Crystal of CuSO4·5H2O Anhydrous CuSO4 powder …   Wikipedia

  • Copper(I) cyanide — IUPAC name Copper(I) cyanide …   Wikipedia

  • Copper aspirinate — Copper aspirinate …   Wikipedia

  • Copper(II) chloride — Anhydrous Anhydrous …   Wikipedia

  • Copper(I) iodide — IUPAC name Copper(I) iodide …   Wikipedia

  • Copper(II) carbonate — Other names copper carbonate, cupric carbonate, basic copper carbonate …   Wikipedia

  • Copper(I) oxide — Copper(I) oxide …   Wikipedia

  • Copper(I) sulfide — IUPAC name Copper(I) sulfide …   Wikipedia

  • Copper(I) bromide — Copper(I) bromide …   Wikipedia

  • copper processing — Introduction  use of smelting or leaching, usually followed by electrolytic refining or recovery, to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of copper and of its… …   Universalium

  • copper — copper1 /kop euhr/, n. 1. a malleable, ductile, metallic element having a characteristic reddish brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; at. wt.: 63.54;… …   Universalium

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