— and bleaching powder, [10]
— and chlorine, [10]
— and humus, [15]
— and hydrochloric acid, [13]
— and lead solutions, [8]
— and metallic salts, [8]
— and nitric acid, [13]
— and oxygen, [10]
— and sulphuric acid, [12]
— and water at high temperature, [14]