Concentration of hafnium preparation of hafnium-free zirconia

[1] COSTER, 1928, Patent No. 1666440

[2] COSTER D, 1925, CHEM NEWS, V127, P65

[3] Various continuance identically formated hafnium and zirconium complexes [J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1927, 165 (1/3): : 1 - 15

[4] DEBOER JH, 1924, Z ANORG ALLG CHEM, V141, P2848

[5] MARQUIS M, 1923, CR HEBD ACAD SCI, V180, P1377

[6] SCHUMB W, 1942, IND ENG CHEM, V14, P512

[7] VANOSDALL T, 1939, THESIS OHIO STATE U

[8] On the retieval of hafnium and the contemporary knowledge of this element. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1923, 56 : 1503 - 1516

[9] VONHEVESY G, 1924, J CHEM SOC, V125, P2372

[10] VONHEVESY G, 1925, J AM CHEM SOC, V47, P2540

[1] COSTER, 1928, Patent No. 1666440

[2] COSTER D, 1925, CHEM NEWS, V127, P65

[3] Various continuance identically formated hafnium and zirconium complexes [J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 1927, 165 (1/3): : 1 - 15

[4] DEBOER JH, 1924, Z ANORG ALLG CHEM, V141, P2848

[5] MARQUIS M, 1923, CR HEBD ACAD SCI, V180, P1377

[6] SCHUMB W, 1942, IND ENG CHEM, V14, P512

[7] VANOSDALL T, 1939, THESIS OHIO STATE U

[8] On the retieval of hafnium and the contemporary knowledge of this element. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1923, 56 : 1503 - 1516

[9] VONHEVESY G, 1924, J CHEM SOC, V125, P2372

[10] VONHEVESY G, 1925, J AM CHEM SOC, V47, P2540