IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Copper formate with Water
Components:
   (1) Copper formate; Cu(CHO2)2; [544-19-4]  NIST Chemistry WebBook for detail
   (2) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
Original Measurements:
   Ostanni, N.I.; Zharkova, I.A.; Kanevskaya, A.R.; Korovkina, N.A.; Erofeev, B.V., Zh. Fiz. Khim. 48, 2583-4 (1974).

 Variables:
   Temperature = 4.2 ºC to 70 ºC

 Prepared By:
   Chr. Balarew and St. Trendafilova

 Experimental Remarks:
   transition temperatures: 42.8 ºC ± 0.8 ºC Cu(CHO2)2·4H2O → Cu(CHO2)2·2H2O And 61.1 ºC ± 1 ºC Cu(CHO2)2·2H2O → Cu(CHO2)2

 Experimental Data:   (Notes on the Nomenclature)
(Please see footnotes following the table(s).)   
Solubility polytherm of the Cu(CHO2)2-H2O system.
t/°CPhaseSolubility1 [mol/dm3]Solid Phase(s)a
4.2Liquid0.223A
17.3Liquid0.428A
25.0Liquid0.640A
30.0Liquid0.773A
35.0Liquid0.975A
40.0Liquid1.22A
42.6Liquid1.368A
45.0Liquid1.472B
50.0Liquid1.698B
55.0Liquid1.849B
62.0Liquid2.148B
64.0Liquid2.178C
70.0Liquid2.221C
 Notes:
   a  The solid phases are: A = Cu(CHO2)2•4H2O, B = Cu(CHO2)2•2H2O, C = Cu(CHO2)2.

 Method/Apparatus/Procedure:
   The isothermal method was used. The procedure is described elsewhere.1

 Source and Purity of Materials:


Estimated Errors:


References:
   1N.Y. Ostanni, L. A. Zharkova, and B. V. Erofeyev, Zh. Fiz. Khim. 37, 450 (1973).