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Properties of substance:

potassium periodate

Group of substances:

inorganic

Physical appearance:

colorless tetragonal crystals

Empirical formula (Hill's system for organic substances):

IKO4

Structural formula as text:

KIO4

Molar/atomic mass: 230

Melting point (°C):

582

Decomposition temperature (°C):

582

Solubility (g/100 g of solvent):

ethylenediamine: reaction [Ref.]
water: 0.169 (0.2°C) [Ref.]
water: 0.21 (5.4°C) [Ref.]
water: 0.335 (15°C) [Ref.]
water: 0.513 (25°C) [Ref.]
water: 1.46 (50°C) [Ref.]
water: 7.33 (97°C) [Ref.]

Density:

3.62 (15°C, g/cm3)

Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

-460 (s)

Standard molar entropy S0 (298.15 K, J/(mol·K)):

172 (s)

Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

121 (s)

References:

  1. Inorganic Syntheses. - Vol. 1. - New York and London, 1939. - pp. 171
  2. Journal of the Serbian Chemical Society. - 2011. - Vol. 76, No. 8. - pp. 1129-1138
  3. Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 825-826
  4. Ефимов А.И. и др. Свойства неорганических соединений. Справочник. - Л.: Химия, 1983. - pp. 130-131 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 157 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru