三氧化二铕 [氧化铕],Europium(III) oxide;99.9% trace metals basis
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三氟甲烷磺酸镱,Ytterbium(III) trifluoromethanesulfonate [Yb(OTf)3, Yb(TFA)3];99.99% -
四氧化三铁 [氧化铁(II,III)],Iron(II,III) oxide;powder, <5 μm, 95% -
3,3',4,4'-二苯甲酮四甲酸二酐,Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride;98% -
芦丁三水合物,Rutin trihydrate;analytical standard, ≥94.0% (HPLC) -
2,3,5,6-四甲基吡嗪 [川芎嗪],2,3,5,6-Tetramethylpyrazine;analytical standard, ≥98.0% (GC)
