in methanol addition of oxalic acid to a solution of ZrCl4 in CH3OH;; washing and drying of the precipitate; Zr content 35.08 percent (calculated 34.80 percent);;
参考文献
Gable
Journal of the American Chemical Society, 1931 , vol. 53, p. 1276
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Gmelin Handbook: Zr: MVol., 148, page 372 - 374
ammonium hydroxide in water aq. soln. of Zr salt basified with NH4OH, filtered then ppt. dissolved in aq. oxalic acid soln.;
参考文献
Holles, Joseph H.; Dillon, Christopher J.; Labinger, Jay A.; Davis, Mark E.
Journal of Catalysis, 2003 , vol. 218, # 1 p. 42 - 53
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反应条件
in not given byproducts: NH3; weakly acidic solution; gelatinous precipitation of Zr dioxide hydrate, Zr oxalate and small amounts of NH3 which is soluble in excess of NH4 oxalate;;
参考文献
Venable, F. P.; Baskerville, C.
Journal of the American Chemical Society, 1897 , vol. 19, p. 12 - 18
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Gmelin Handbook: Zr: MVol., 62, page 179 - 181
hydrogenchloride; nitric acid in hydrogenchloride; nitric acid byproducts: H2O; addn. of soln. of zirconium compd. in aq. HNO3 to 10 M HCl, addn. of naphthalene deriv., addn. of oxalic acid; UV monitoring;
参考文献
Zhai, Qing-Zhou
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2008 , vol. 71, # 2 p. 332 - 335
in water dropwise addn. of soln. of oxalic acid (2.2 M) to soln. of Zr salt (80°C, stirring) to pH 1.1 - 1.4; pptn.; filtration, drying overnight (120°C);
参考文献
Kaddouri; Mazzocchia; Tempesti; Anouchinsky
Journal of Thermal Analysis and Calorimetry, 1998 , vol. 53, # 1 p. 97 - 109
