Yi. Korenman et al., EXTRACTIVE RECOVERY OF NAPHTHOLDISULFONIC ACIDS FROM AQUEOUS-SOLUTIONS BY HYDROPHILIC EXTRACTANTS AND ORGANIC OXIDES, Russian journal of applied chemistry, 67(10), 1994, pp. 1535-1537
Extractive recovery of some naphtholdisulfonic acids from aqueous solu
tions by hydrophilic solvents and organic oxides dissolved in toluene
has been investigated.