硝酸铷, Rubidium nitrate

5% 钌 负载于氧化铝粉, Ruthenium,5% on alumina powder

亚硝酰乙酸钌(III), Ruthenium(III) nitrosylacetate

无水氧化钌(IV), Ruthenium(IV) oxide

水杨醛肟, Salicylaldoxime

水合碳酸钐(III), Samarium(III) carbonate hydrate

三氧化二钐, Samarium(III) oxide

蓝宝石基片,50.8mm 直径 x 0.332mm 厚,EPI一面抛光,C-轴,HEMCOR单晶体, Sapphire substrate

水合乙酸钪(III), Scandium(III) Acetate Hydrate

水合硝酸钪, Scandium(III) nitrate hydrate

氨基脲盐酸盐, Semicarbazide Hydrochloride

L-丝氨酸甲酯盐酸盐, L-Serine Methyl Ester Hydrochloride

硅胶干燥剂,有指示剂, Silica gel desiccant

硅胶, Silica gel

硅胶, Silica gel