Sentence Examples


  • The method is sometimes employed in the assay of gold.
  • Both the St Francois and Jasper ores yield from 70 to 75% of metal in final product, and assay even higher.
  • Varrentrapp pointed out that " cornets " from the assay of gold may retain gas if they are not strongly heated.
  • In 1864 a public assay office was established.
  • The methods used in the assay for iron are volumetric, and are all based on the property possessed by certain reagents of oxidizing iron from the ferrous to the ferric state.