Sentence Examples


  • The dark product obtained is washed with water, hydrochloric acid and hydrofluoric acid, and finally calcined again with the oxide or with borax, being protected from air during the operation by a layer of charcoal.
  • In borax (of which California's output in 1904 was 45,647 tons) and structural materials San Bernardino has a long lead.
  • From a supersaturated aqueous solution of borax, the pentahydrate, Na2B407.5H20, is deposited when evaporation takes place at somewhat high temperatures.
  • Boron nitride BN is formed when boron is burned either in air or in nitrogen, but can be obtained more readily by heating to redness in a platinum crucible a mixture of one part of anhydrous borax with two parts of dry ammonium chloride.
  • The atomic weight of boron has been determined by estimating the water content of pure borax (J.
 

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