potassium hydroxide; nitric acid; acetic acid in not given byproducts: urea; Ag-cyanamide reacted with 2 N HNO3; Ag precipitated with KOH; filtrate mixed with acetic acid;
参考文献
Fosse, R.; Lambergue, R. de; Gaidon, J.
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1938 , vol. 207, p. 12 - 13
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Gmelin Handbook: C: MVol.D1, 23.2.2, page 261 - 262
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
sodium hydroxide in water byproducts: CO2, NH3, urea; boiling; complete reactn. after 4 h with 10 N NaOH;
参考文献
Bieling, H.; Barth, P.; Beyer, H.
Z. Chem. (Leipzig), 1964 , vol. 4, p. 146 - 147
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Gmelin Handbook: C: MVol.D1, 24.10.2, page 293 - 294
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
in neat (no solvent) Ge-compound distilled into a vessel held at -196°C containing organic compound, mixture reacted at room temp. for 10 min; filtered in N2, volatiles removed in vac.;
参考文献
Drake, John E.; Khasrou, Layla N.; Majid, Abdul
Journal of Inorganic and Nuclear Chemistry, 1981 , vol. 43, p. 1473 - 1478
