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AQUEOUS SOLUBILITY OF INORGANIC COMPOUNDS AT …

AQUEOUS SOLUBILITY OF INORGANIC COMPOUNDS AT VARIOUS TEMPERATURES The SOLUBILITY of over 300 common INORGANIC COMPOUNDS in water is tabulated here as a function of temperature. SOLUBILITY is defined as the concentration of the compound in a solution that is in equilibrium with a solid phase at the specified temperature. In this table the solid phase is generally the most stable crystalline phase at the temperature in question. An asterisk * on SOLUBILITY values in adjacent columns indicates that the solid phase changes between those two temperatures (usually from one hydrated phase to another or from a hydrate to the anhydrous solid).

The solubility of sparingly soluble compounds that do not ap-pear in this table may be calculated from the data in the table “Solubility Product Constants”. Solubility of inorganic gases may be found in the table “Solubility of Selected Gases in Water”.

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1 AQUEOUS SOLUBILITY OF INORGANIC COMPOUNDS AT VARIOUS TEMPERATURES The SOLUBILITY of over 300 common INORGANIC COMPOUNDS in water is tabulated here as a function of temperature. SOLUBILITY is defined as the concentration of the compound in a solution that is in equilibrium with a solid phase at the specified temperature. In this table the solid phase is generally the most stable crystalline phase at the temperature in question. An asterisk * on SOLUBILITY values in adjacent columns indicates that the solid phase changes between those two temperatures (usually from one hydrated phase to another or from a hydrate to the anhydrous solid).

2 In such cases the slope of the SOLUBILITY vs. temperature curve may show a SOLUBILITY values are expressed as mass percent of solute, 100 w2, where w2 = m2/(m1 + m2)and m2 is the mass of solute and m1 the mass of water. This quan-tity is related to other common measures of SOLUBILITY as follows:Molarity: c2 = 1000 w2/M2 Molality: m2 = 1000w2/M2(1-w2)Mole fraction: x2 = (w2/M2)/{(w2/M2) + (1-w2)/M1}Mass of solute per 100 g of H2O: r2 = 100w2/(1-w2)Here M2 is the molar mass of the solute and M1 = g/mol is the molar mass of water. is the density of the solution in g data in the table have been derived from the references in-dicated; in many cases the data have been refitted or interpolated in order to present SOLUBILITY at rounded values of temperature.

3 Where available, values were taken from the IUPAC SOLUBILITY Data Series (Reference 1) or the related papers in the Journal of Physical and Chemical Reference Data (References 2 to 5), which present carefully evaluated SOLUBILITY of sparingly soluble COMPOUNDS that do not ap-pear in this table may be calculated from the data in the table SOLUBILITY Product Constants . SOLUBILITY of INORGANIC gases may be found in the table SOLUBILITY of Selected Gases in Water . COMPOUNDS are listed alphabetically by chemical formula in the most commonly used form ( , NaCl, NH4NO3, etc.)

4 References 1. SOLUBILITY Data Series, International Union of Pure and Applied Chemistry. Volumes 1 to 53 were published by Pergamon Press, Oxford, from 1979 to 1994; subsequent volumes were published by Oxford University Press, Oxford. The number following the colon is the volume number in the series. 2. Clever, H. L., and Johnston, F. J., J. Phys. Chem. Ref. Data, 9, 751, 1980. 3. Marcus, Y., J. Phys. Chem. Ref. Data, 9, 1307, 1980. 4. Clever, H. L., Johnson, S. A., and Derrick, M. E., J. Phys. Chem. Ref. Data, 14, 631, 1985.

5 5. Clever, H. L., Johnson, S. A., and Derrick, M. E., J. Phys. Chem. Ref. Data, 21, 941, 1992. 6. S hnel, O., and Novotny, P., Densities of AQUEOUS Solutions of INORGANIC Substances, Elsevier, Amsterdam, 1985. 7. Krumgalz, , Mineral SOLUBILITY in Water at Various Temperatures, Israel Oceanographic and Limnological Research Ltd., Haifa, 1994. 8. Potter, R. W., and Clynne, M. A., J. Research Geological Survey, 6, 701, 1978; Clynne, M. A., and Potter, R. W., J. Chem. Eng. Data, 24, 338, 1979. 9. Marshal, W. L., and Slusher, R., J. Phys.

6 Chem., 70, 4015, 1966; Knacke, O., and Gans, W., Zeit. Phys. Chem., NF, 104, 41, 1977. 10. Stephen, H., and Stephen, T., Solubilities of INORGANIC and Organic COMPOUNDS , Vol. 1, Macmillan, New York, C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 (ClO4) (NO3) * *6Al2(SO4) (BrO3) :14Ba(C2H3O2) (ClO2) (ClO3) :14Ba(ClO4) 1124/30/05 8:47:37 AMCompound0 C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 (IO3) * * :14Ba(NO2) (NO3) (OH) (SCN) (ClO4) * * * * (ClO3) * * :14Ca(ClO4) (IO3) * * * * :14Ca(NO2) (NO3) * * * * (ClO4) (IO3) (NO3) (NO3) * * * * (ClO4) (NO2) (NO3) (SCN) (ClO4) (NO3) (NO3) :13Er(NO3) :13Eu(NO3).

7 13 AQUEOUS SOLUBILITY of INORGANIC COMPOUNDS at Various Temperatures 8-113 Section 1134/30/05 8:47:38 AMCompound0 C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 * * * * (ClO4) (NO3) (NO3) (NO3) (CN) (SCN) (ClO4) * * (NO3) * * * * *1 * * * * * * * *73*7K3Fe(CN) (CN) (NO3) * *1 * * * * * *1:478-114 AQUEOUS SOLUBILITY of INORGANIC COMPOUNDS at Various TemperaturesSection 1144/30/05 8:47:40 AMCompound0 C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 * * * * :31Lu(NO3) (BrO3) * * :14Mg(C2H3O2) (ClO3) * * :14Mg(ClO4) * * (IO3) * * :14Mg(NO2)2477Mg(NO3) * * * *47* * * (IO3) (NO3) (NH4) (NH4) (NH4) :26(NH4) (NH4) :26(NH4) (NH4) (NH4) (NH4) SOLUBILITY of INORGANIC COMPOUNDS at Various Temperatures 8-115 Section 1154/30/05 8:47:42 AMCompound0 C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 * * * * * * * * * * *67* * * * * * * * *45* * * (NO3) (ClO4) (NO3) * * (SCN) * * (ClO4) (IO3) (NO3) (NO3) * * :478-116 AQUEOUS SOLUBILITY of INORGANIC COMPOUNDS at Various TemperaturesSection 1164/30/05 8:47.

8 43 AMCompound0 C10 C20 C25 C30 C40 C50 C60 C70 C80 C90 C100 (NO3) :13Sm(NO3) * * (BrO3) * * * * (ClO2) (ClO3) :14Sr(ClO4) * * * (IO3) :14Sr(MnO4) (NO2) (NO3) (OH) (NO3) (NO3) :13UO2(NO3) :55Y(NO3) * * :13Yb(NO3) (ClO4) * * (IO3) (NO3) SOLUBILITY of INORGANIC COMPOUNDS at Various Temperatures 8-117 Section 1174/30/05 8:47:44 AM


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