carbon dioxide in methanol 40°C, 3 h; filtration, evapn. of solvent at 11 Torr;
参考文献
Gmelin Handbook: C: MVol.D1, 23.2.1.1, page 259 - 261
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Petersen, S.; Mitrowsky, A.; Dorlars, A.
J. Houben, T. Weyl, E. Mueller, Methoden der organischen Chemie, 4. Aufl., Bd. 8, Stuttgart 1952, S. 96
water in water byproducts: Ca3(PO4)2, CaHPO4; pressence of excessive CaCN2;;
参考文献
Jacob, K. D.; Braham, J. M.
Industrial and Engineering Chemistry, 1925 , vol. 17, p. 64 - 68
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Gmelin Handbook: Ca: MVol.B3, 141, page 969 - 971
carbon dioxide; water in water under pressure; reaction rate depends on pressure;; no further polymerization products;;
参考文献
Gmelin Handbook: Ca: MVol.B3, 141, page 969 - 971
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Societe d'Etudes Chimiques pour l'Industrie
Patent: CH96664 , 1922 ;
C. IV, 1923 , p. 879
water in water step by step addn. of CaCN2 to cold water under stirring; after 2 h filtration; neutralization with H2SO4; filtration of CaSO4;; washing; evaporation at a max. of 80°C to concn. of ca 375 g H2CN2/l; aq. soln. contains small amts. of (CN2H2)2 and urea;;
参考文献
Blair, J. S.; Braham, J. M.
Industrial and Engineering Chemistry, 1924 , vol. 16, p. 848 - 852
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Gmelin Handbook: Ca: MVol.B3, 141, page 969 - 971
Lawson, A.; Steven, J. O.
Journal of the Chemical Society, 1958 , p. 2903
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Gmelin Handbook: C: MVol.D1, 23.2.1.3, page 261 - 261
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Miller, S. A.; Bann, B.
J. Appl. Chem. (London), 1956 , vol. 6, p. 89 - 93
