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English to Russian translations [PRO] Medical - Chemistry; Chem Sci/Eng
English term or phrase:the lower end of the column
Rinse the lower end of the column with water R, add 0.1 ml of ferroin R and titrate immediately with 0.1 M ammonium and cerium nitrate until a greenish colour is obtained (n2 ml). Дно колонки, нижний конец колонки? Как будет правильно?