The melting point of purified water has been measured as 0.002519 ± 0.000002 °C, see R. Feistel and W. Wagner (2006). «A New Equation of State for H2O Ice Ih». J. Phys. Chem. Ref. Data. 35 (2): 1021–1047. Bibcode:2006JPCRD..35.1021F. doi:10.1063/1.2183324
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The melting point of purified water has been measured as 0.002519 ± 0.000002 °C, see R. Feistel and W. Wagner (2006). «A New Equation of State for H2O Ice Ih». J. Phys. Chem. Ref. Data. 35 (2): 1021–1047. Bibcode:2006JPCRD..35.1021F. doi:10.1063/1.2183324