White-metal sentence examples

white-metal
  • This is smelted with rich gold ores, notably those containing tellurium, for white metal or regulus; and by a following process of partial reduction analogous to that of selecting in copper smelting, " bottoms " of impure copper are obtained in which practically all the gold is concentrated.

  • It is a silvery white metal which burns on heating in air.

  • Pure potassium is a silvery white metal tinged with blue; but on exposure to air it at once forms a film of oxide, and on prolonged exposure deliquesces into a solution of hydrate and carbonate.

  • Magnesium is a silvery white metal possessing a high lustre.

  • Aluminium is a white metal with a characteristic tint which most nearly resembles that of tin; when impure, or after pro longed exposure to air, it has a slight violet shade.

  • The United Provinces have, among other specialties, an elegant black ware with designs in white metal worked into its surface.

  • It is a silvery white metal which melts at 38.5° C. and has a specific gravity of I 52.

  • The coarse-metal is now smelted, with coke and siliceous fluxes (in order to slag off the iron), and the product, consisting of an impure copper sulphide, is variously known as " blue-metal," when more or less iron is still present, " pimplemetal," when free copper and more or less copper oxide is present, or " fine " or " white-metal," which is a fairly pure copper sulphide, containing about 75% of the metal.

  • The " English process " is made up of the following operations: (i) calcination; (2) smelting in reverberatory furnaces to form the matte; (3) roasting the matte; and (4) subsequent smelting in reverberatory furnaces to fineor white-metal; (5) treating the fine-metal in reverberatory furnaces to coarseor blistercopper, either with or without previous calcination; (6) refining of the coarse-copper.

  • The first blow occupies about 25 minutes, and oxidizes all but a small quantity of the iron and some of the sulphur, raising the product to white metal.

  • Nicholls and James have applied, very ingeniously, well-known reactions to the refining of copper, raised to the grade of white metal.

  • A portion of the white metal is calcined to such a degree of oxidation that when fused with the unroasted portion, the reaction between the oxygen in the roasted matte and the sulphur in the raw VII.

  • It is a white metal of bluish tint and is malleable and ductile.

  • The white metal is then machined to the correct radius using the big borer.

  • Various 25mm figures & white metal VW have been added Invaders diorama.

  • Most of these bayonets made during and after 1916 had brass hilts in place of the earlier white metal type.

  • It is a silvery white metal which melts at 38.5° C. and has a specific gravity of I 52.

  • Kirsch's basic hardware consists of the white metal type curtain rods that are functional without drawing too much attention to themselves.

  • Titanium is a greyish white metal that is often selected for jewelry because of its durability, look, and hypoallergenic qualities.

  • While this may initially seem inadvisable, using white metal helps lighten the stone and the differences are usually not noticeable.

  • Choose a white metal such as white gold or platinum that will not contrast as harshly with the stone's edges, blurring where the stone and setting meet.

  • The sharp corners of the princess diamond shape are comparable to the sharpness of platinum's color, and the bright white metal offers a startling contrast to the deeply sparkling facets of a princess cut.

  • Palladium - This bright white metal is gaining in popularity.

  • Yellow gold has warm tones, whereas white metal reflects the black and white color theme.

  • Platinum is a beautiful, naturally white metal that is between 90 and 95 percent pure.

  • The cool white metal is also a fantastic backdrop to gemstones making this a good choice for people looking for a promise ring set with gemstones.

  • The cool white metal sets off even the palest of gemstones in style.

  • Platinum is a beautiful, shiny silver white metal much rarer than gold.

  • The warm yellow of the gold makes a striking contrast with the cool white metal of the stainless steel.

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