sigma试剂 Tris(2,2′-bipyridyl)dichlororuthenium(II)hexahydrate ,氯化三(2,2'-联吡啶)钌(II) 六水合物,224758 - powder
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sigma试剂 Lanthanum(III) chloride ,氯化镧(III),449830 -anhydrous, beads, -10 mesh, ≥99.99% trace metals basis
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sigma试剂 Gadolinium(III) chloride ,氯化钆(III),439770 - anhydrous, powder, 99.99% trace metals basis
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