Erbium Sulfate
Structural Formula Vector Image
Title: Erbium Sulfate
CAS Registry Number: 13478-49-4
Molecular Formula: Er2O12S3
Molecular Weight: 622.71
Percent Composition: Er 53.72%, O 30.83%, S 15.45%
Line Formula: Er2(SO4)3
Literature References: Prepared by slow evaporation of a soln of erbium oxide in sulfuric acid at 20-25°.
Properties: Powder. d 3.678. Hygroscopic; dissociates on heating; dissolves in water with evolution of heat; forms a basic sulfate on heating to 850°.
Density: d 3.678
Derivative Type: Octahydrate
Properties: Pink monoclinic crystals; isomorphic with the corresponding yttrium, praseodymium and neodymium salts. d 3.205. Soly in water (parts/100 parts): 16 (20°); 6.53 (40°). On heating loses its water of hydration.
Density: d 3.205
Status: This monograph has been retired and is no longer subject to revision or update.

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