Dierbium disulphate octahydrate

Erbium compounds: dierbium disulphate octahydrate

The erbium in dierbium disulphate octahydrate formally is in the oxidation state 2.

Dierbium disulphate octahydrate

• Formula as often written: Er₂(SO₄)₂.8H₂O
• Hill system formula: Er₂H₁₆O₁₆S₂
• CAS registry number: [10031-52-4]
• Formula weight: 670.769
• Class: complex

Synonyms

• dierbium disulphate octahydrate
• erbium(II) sulphate 8-water
• dierbium disulfate octahydrate
• erbium sulfate 8-water
• erbium sulphate 8-water
• erbium(II) sulfate 8-water

Physical properties

• Colour: pink
• Appearance: crystalline solid
• Melting point: 110°C (dehydrates)
• Boiling point: 630°C
• Density: 3200 kg m^-3

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Element analysis

Element percentages for the elements in dierbium disulphate octahydrate

Element	%
Er	49.87
H	2.40
O	38.16
S	9.56

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the Er₂(SO₄)₂.8H₂O unit with the most intense ion set to 100%.

Formula: Er₂S₂O₁₆H₁₆

mass  %
662   0.0 
663   0.0 
664   0.5 
665   0.3 
666   4.6 __
667   3.0 __
668  48.2 ________________________
669  61.7 _______________________________
670 100.0 __________________________________________________
671  57.7 _____________________________
672  79.9 ________________________________________
673  34.7 _________________
674  40.6 ____________________
675   4.4 __
676  12.9 ______
677   0.5 
678   1.2 _
679   0.0 
680   0.1 

References

The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

• R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
• N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
• F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
• A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
• R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
• A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
• A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
• J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
• D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
• J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
• J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.

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