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從鈷土矿提煉純鈷,因矿砂含鈷很低,故採用濕法冶金。關於鈷的浸出部分之試驗,已在科學通報二卷中期發表;本文所述,为鈷液的提净與電解部份之試驗結果。
Pure cobalt is extracted from cobalt ore, because of low cobalt content in ore, so the use of hydrometallurgy. The test on the leached portion of cobalt has been published in the second bullet of the Scientific Bulletin. The results of this study are the experimental results of the leaching and electrolysis of cobalt.