TY  - Data
T1  - Dataset of Preparation Process for High-purity  Hydrated Rare Earth Halides Compounds
A1  - shi ya nan
DO  - 10.12072/ncdc.gcxtsj.db7349.2026
PY  - 2026
DA  - 2026-05-19
PB  - National Cryosphere Desert Data Center
AB  - In response to the problems of limited variety, low purity, and difficulty in deep purification and impurity removal of domestic high-end rare earth halide reagents, this study systematically investigates the mass transfer mechanism and deep purification and impurity removal technology of key impurity elements in the deep purification and impurity removal process of hydrated rare earth halides, and forms a kilogram scale preparation capability.   Research on the preparation technology of hydrated high-purity rare earth halides using acid dissolution crystallization method. High purity ytterbium chloride hydrate and erbium chloride hydrate were prepared by controlling key process steps.   Based on laboratory preparation processes, further exploration of kilogram scale preparation processes has been carried out, and the construction and commissioning of two kilogram scale production lines for hydrated rare earth halide reagents have been completed. Two high-purity rare earth halide and halide like reagent kilogram scale processes have been developed, and kilogram scale process documents have been established. The purity of kilogram scale products meets the required standards.   Due to the special nature of rare earth materials, this dataset is not publicly available and only shares metadata. To obtain the entity of the dataset, please contact the data manager.
DB  - NCDC
UR  - http://www.ncdc.ac.cn/portal/metadata/bdaea6ab-1cbf-4483-9599-1762e7c281b8
ER  -