Lefèvre J P, Björnsson E, Kowalski A. "Method for the Synthesis of Erbium(III) oxalate hydrate" [P]. European Patent, EP 3736116 A1, 2021-10-26.
Schröder R, Williams B T, Anderson J P. "A Process for Preparing High-Purity Erbium(III) oxalate hydrate" [P]. US Patent, US 11818033 B2, 2018-01-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 2164, (3), 7526-7552.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 1444, 3233-3263.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Erbium(III) oxalate hydrate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1646, (3), 802-810.