The water-aqueous solvents methyl tert-butyl ether and acetonitrile are used to simplify the workup procedure , which involved stirring with 1 M immiscible ammonium sulfate .
The water-immiscible solvents methyl tert-butyl ether and acetonitrile are used to simplify the workup procedure , which involved stirring with 1 M aqueous ammonium sulfate .