Abstract：The development of high purity ammonium paratungstate (APT) raw material preparation process to meet the growing demand for high purity tungsten products has important significance. In this paper, the demand status of high purity APT and the raw material of high-end tungsten products are introduced, and the technology status of preparing high purity APT by ammonia dissolution, ion exchange and solvent extraction are analyzed. The development and application prospect of high-purity APT preparation technology are expounded.
但宁宁, 李江涛. 高纯仲钨酸铵产品制备工艺现状及发展前景[J]. 粉末冶金材料科学与工程, 2020, 25(5): 363-368.
DAN Ningning, LI Jiangtao. Preparation technology status and development prospect of high purity ammonium paratungstate product. Materials Science and Engineering of Powder Metallurgy, 2020, 25(5): 363-368.
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2020, Vol. 25 
