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- [24] EXTRACTION OF LIGNIN FROM HYDROLYZED LIGNOCELLULOSE INDUSTRIAL AND ENGINEERING CHEMISTRY, 1945, 37 (12): : 1218 - 1222
- [26] Palladium extraction by salts of bis-quaternary ammonium bases and organic acids from chloride solutions Zhurnal Neorganicheskoj Khimii, 2001, 46 (07): : 1222 - 1227
- [27] SORPTION OF QUATERNARY AMMONIUM-SALTS BY IRON HYDROXIDE PRECIPITATES JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1977, 50 (03): : 498 - 501