Analysis of Four Solvatomorphs of Betulin by TG–DTA–EI/PI–MS System Equipped with the Skimmer-Type Interface

by Peng-Hui Yuan, Yan-Cai Bi, Bin Su, De-Zhi Yang, Ning-Bo Gong, Li Zhang, Yang Lu, Guan-Hua Du
Published 2020-05-01

Purity and Uncertainty Study of CRM Betulin by DSC

by Li Zhang, Peng-Hui Yuan, De-Zhi Yang, Yan-Cai Bi, Bin Su, Bao-Xi Zhang, Fu-Qing Wang, Yang Lu, Guan-Hua Du
Published 2020-08-01