1944
DOI: 10.1021/ja01230a507
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Observations on the Rare Earths. L.1 The Separation of Erbium from Yttrium by Fractional Precipitation of the Ferrocyanides2

Abstract: Notes 307 methyl-(and a,

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Cited by 6 publications
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“…Working at 18°C., Sadolin (21) obtained a value of 1.2 X 10-19 for the solubilityproduct constant for freshly precipitated lanthanum hydroxide. Aged lanthanum hyrdroxide gave a constant of 1.1 X 10~21 (21), a value agreeing well with 0.91 X [10][11][12][13][14][15][16][17][18][19][20][21] reported for the aged hydroxide at 25°C. (12).…”
Section: Moles Oh" Per Molesupporting
confidence: 68%
“…Working at 18°C., Sadolin (21) obtained a value of 1.2 X 10-19 for the solubilityproduct constant for freshly precipitated lanthanum hydroxide. Aged lanthanum hyrdroxide gave a constant of 1.1 X 10~21 (21), a value agreeing well with 0.91 X [10][11][12][13][14][15][16][17][18][19][20][21] reported for the aged hydroxide at 25°C. (12).…”
Section: Moles Oh" Per Molesupporting
confidence: 68%
“…The praseodymium material was an analyzed sample obtained through the courtesy of the Lindsay' Light and Chemical Company'. The erbium material was a sample that was purified by the ferrocyanide procedure (11). Because of the lack of a completely' independent check, its exact purity was unknown.…”
Section: Apparatus and Materialsmentioning
confidence: 99%