硫酸铑(III)四水合物, Rhodium(III) sulfate tetrahydrate

溴化铷, Rubidium Bromide

硝酸铷, Rubidium nitrate

钌, Ruthenium

碘化钌(III),无水, Ruthenium(III) iodide

无水氧化钌(IV), Ruthenium(IV) oxide

水杨醛腙, Salicylaldehyde hydrazone

六水溴化钐, Samarium(III) bromide hexahydrate

三氧化二钐(III), Samarium(III) oxide

蓝宝石基片,10x10x0.432mm,EPI 两面抛光,C-轴,LED级, Sapphire substrate

肌氨酸甲酯盐酸盐, Sarcosine methyl ester hydrochloride

水合硝酸钪(III), Scandium(III) nitrate hydrate

癸二腈, Sebaconitrile

D-Serine methyl ester hydrochloride

硅胶干燥剂, Silica gel desiccant