in water Addn. of excess satd. aq. K2C2O4 soln. to an aq. soln. of CoCl2; acidification with acetic acid;; dissolution of crude prod. in H2O; evapn. in vac. over H2SO4;;
参考文献
Ann. Chim. Phys., , vol. 6, p. 563 - 563
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参考文献
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 55, p. 553