Plan and execute preformulation studies for drug substances including but not limited to solubility studies, stability studies and HPLC method development.
Abstr: In this study "the accumulation of Baishan gold tailings dam as the goal, its dam static, dynamic stability analysis, with its fine-grained tailings dam stability studies for reference."
An API expiry or retest date should be based on an evaluation of data derived from stability studies.