Sentence Examples

  • Arsenic is usually estimated either in the form of magnesium pyroarsenate or as arsenic sulphide.
  • For the pyroarsenate method it is necessary that the arsenic should be in the arsenic condition, if necessary this can be effected by heating with nitric acid; the acid solution is then mixed with "magnesia mixture" and made strongly alkaline by the addition of ammonia.
  • From the weight of magnesium pyroarsenate obtained the weight of arsenic can be calculated.