Zlotowski, I.; Zielinski, M.
Nukleonika, 1960 , vol. 5, p. 27 - 32
N. S. A., 1960 , vol. 14, p. 18834
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Gmelin Handbook: Na: SVol.4, 22, page 1415 - 1417
in not given byproducts: CaCl2; cyclic process; reaction of Na2SiF6 forming NaF and SiF4; saponification of CaCN2 with NaF and H2O forming Na2CO3, NH2 and CaF2; recovering of Na2SiF6 by reaction of CaF2 with SiF4, NaCl and a small amount of water, formation of CaCl2 as by-product;;
参考文献
Meyerhofer, A. F.
Patent: FR618435 , 1926 ;
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Gmelin Handbook: Na: MVol., 256, page 713 - 715
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Meyerhofer, A. F.
Patent: EP245719 , 1925 ;
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Meyerhofer, A. F.
Patent: EP253149 , 1925 ;
in water byproducts: MgCO3, KCl, CO2; cyclic process: treatment of NaCl soln. with MgKH(CO3)2 at ca. 140°C, pptn. of MgCO3, filtration, crystn. of KCl, introduction of CO2, pptn. of NaHCO3 with 3percent EtOH, calcination; regeneration of MgKH(CO3)2 from KCl and MgCO3;;
参考文献
Gmelin Handbook: Na: SVol.1, 68, page 292 - 294
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Janvier, P.
Patent: FR801931 , 1936 ;
C. II, 1936 , p. 3570
