platinum-rhodium alloy

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• Platinum group — The platinum group (alternatively, the platinum group metals or platinum metals) is a collective name sometimes used for six metallic elements clustered together in the periodic table. These elements are all transition metals, lying in the d… …   Wikipedia

• platinum group — ▪ chemical element group Introduction       six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and …   Universalium

• Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds …   Wikipedia

• rhodium — /roh dee euhm/, n. Chem. a silvery white metallic element of the platinum family, forming salts that give rose colored solutions: used to electroplate microscopes and instrument parts to prevent corrosion. Symbol: Rh; at. wt.: 102.905; at. no.:… …   Universalium

• Rhodium — Rh redirects here. For other uses, see rh (disambiguation) Rhodium (pronEng|ˈroʊdiəm) is a chemical element with the symbol Rh and atomic number 45. A rare, silvery white hard transition metal and a member of the platinum group, rhodium is found… …   Wikipedia

• Thermocouple — plugged to a multimeter displaying room temperature in °C. A thermocouple is a device consisting of two different conductors (usually metal alloys) that produce a voltage proportional to a temperature difference between either end of the pair of… …   Wikipedia

• thermocouple — /therr meuh kup euhl/, n. Physics. a device that consists of the junction of two dissimilar metallic conductors, as copper and iron, in which an electromotive force is induced when the conductors are maintained at different temperatures, the… …   Universalium

• Le Chatelier , Henri Louis — (1850–1936) French chemist Le Chatelier was born in Paris, the son of the inspector general of mines for France. He himself began studying mining engineering, before becoming professor of chemistry at the School of Mines in 1877. He later became… …   Scientists

• Le Châtelier, Henry-Louis — born Oct. 8, 1850, Paris, France died Sept. 17, 1936, Miribel les Échelles French chemist. A professor at the Collège de France and the Sorbonne, he is best known for the principle of Le Châtelier, which makes it possible to predict the effect… …   Universalium

• Microthermal analysis — is a materials characterization technique which combines the thermal analysis principles of differential scanning calorimetry (DSC) with high spatial resolution of scanning probe microscopy. The instrument consists of a thermal probe which is… …   Wikipedia

• Colored gold — Ternary plot of different colors of Ag Au Cu alloys While pure gold is yellow in color, colored gold can be developed into various colors. These colors are generally obtained by alloying gold with other elements in various proportions. For… …   Wikipedia