By ebullition of the acidulated liquid along with copper gauze, foil, or wire, as noticed under Reinschs Test.
It is, also, often acidulated with lemon juice or sulphuric acid, and sweetened (Decoctum hordei acidulatum).
Parboil the roe for ten minutes in salted and acidulated water.
Cook the tongues for two hours in salted and acidulated water to cover.
Soak the leg for ...