Sentence Examples


  • The oldest and best known of these are the Natron lakes in Lower Egypt.
  • A chain of natron lakes (seven in number) lies in a valley in the western desert, 7oto 90 m.
  • Finding vegetable alkali in certain minerals, such as leucite, proposed to distinguish it as potash, and at the same time assigned to the mineral alkali the name natron, which survives in the symbol, Na, now used for sodium.
  • The first is that of the natron lakes already mentioned.
  • The fire may well have caused the natron, an impure form of carbonate of soda, to combine with the surrounding sand to form silicate of soda, which, although not a permanent glass, is sufficiently glass-like to suggest the x11.4 FIG.