Definition of Mohr's salt in English:

Mohr's salt

noun

Chemistry
  • Hydrated ferrous ammonium sulphate, Fe(NH ₄) ₂ (SO ₄) ₂ ·6H ₂ O, a stable, light green, deliquescent crystalline salt used in volumetric analysis as a source of ferrous iron.

Origin

Early 20th century.