铂标准盘, Platinum Standard Dish with reinforced rim

铂标模坩埚, Platinum standard form crucible

标准不粘 铂 5% 金坩埚, Non-wetting platinum 5% gold crucible

铂焙烧坩埚, Platinum roasting crucible with lid

铂标准盘, Platinum Standard Dish with reinforced rim

铂直壁坩埚, Platinum straight wall crucible

铂标模坩埚, Platinum standard form crucible

降冰片烯二酸酐, Carbic anhydride

叔丁醇钾, Potassium tert-Butoxide

DL-半胱氨酸盐酸盐, DL-Cysteine hydrochloride hydrate