Yi. Korenman et al., EXTRACTIVE RECOVERY OF METHYLBENZOIC AND METHOXYBENZOIC ACIDS FROM AQUEOUS-MEDIA BY HYDROPHILIC EXTRACTANTS, Russian journal of applied chemistry, 67(10), 1994, pp. 1538-1540
Extractive recovery of methyl- and methoxybenzoic acids by various hyd
rophilic solvents (alcohols, ketones, ethers, esters, lactones) in the
presence of ammonium sulfate has been investigated. The influence of
position and nature of substituent on efficiency of extractive recover
y has been studied.