Ieuda Ciornai, Jewish Brazilian chemist (1922 – Rio de Janeiro 22 January 1986) With P. Kubelka & C. Torok develop a method for extraction potassium salts from brine wastewater With F. Feigl, A. Espínola, P.W. West, H.E. Feigl et al. New methods of qualitative and quantitative analyses of selenium, titanium, chromium, cobalt and tin. Bol. Dept. Nac. Prod. Mineral 24 (1946-8) PATENTS With C. Torok a process (1948) An electric milivoltmeter of high impedance input |
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