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platiniridium
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platiniridium
platiniridium Min. (ˌplætɪnɪˈrɪdɪəm) Also platino-iridium. [f. platin-um + iridium.] A native alloy of platinum and iridium, occurring in small grains or cubes with truncated angles, of a white colour.1848 J. D. Dana Man. Mineral. vi. 309 A similar platin-iridium has been obtained at Ava in the East...
Oxford English Dictionary
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Osmiridium
Names used in these systems have included platiniridium (or platinian iridium) and iridrhodruthenium.
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platin-
platin- (ˈplætɪn) combining form of platinum before a vowel, in names of chemical compounds, as platinamine, an amine of platinum; platinammonium, a compound of platinum and ammonium; platiniridium.1856 W. A. Miller Elem. Chem. II. 1066 Salts of Platinamine. 1873 Watts Fownes' Chem. (ed. 11) 349 Pla...
Oxford English Dictionary
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Platinum group
A naturally occurring platinum-iridium alloy, platiniridium, is found in the mineral cooperite (platinum sulfide, PtS).
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platino-
platino- (ˈplætɪnəʊ) combining form of platinum; spec. in Chem. denoting compounds in which it is divalent (Watts Dict. Chem. IV. 665.); platinoˈcyanide, any of a series of fluorescent salts which contain the anion Pt(CN) 2- / 4 ; platino-iridium, var. platiniridium.1845 W. Gregory Outl. Chem. II. 3...
Oxford English Dictionary
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svanbergite
svanbergite Min. (ˈsvænbɜːgaɪt) [f. the name of Lars F. Svanberg (1805–78), Swedish chemist: see -ite1.] † a. = platiniridium Obs. b. [ad. Sw. svanbergit (L. J. Igelström 1854, in K. Vetenskaps-Akad. Förhandlingar XI. 156).] A basic phosphate and sulphate of aluminium and strontium, SrAl3PO4SO4(OH)6...
Oxford English Dictionary
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