三氧化二铬(III),Chromium(III) oxide;nanopowder, <100 nm particle size (TEM), 98% trace metals basis
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AmberChrom™ 50WX2氢型强酸性阳离子交换树脂,AmberChrom™ 50WX2 50-100 Mesh (H+) Cation Exchange Resin;hydrogen form, 50-100 mesh
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青藤碱,Sinomenine;≥98%
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钨,Tungsten;powder, 12 μm, 99.9% trace metals basis
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D-糖酸1,4-内酯一水合物,D-Saccharic acid 1,4-lactone monohydrate [DSAL];≥98.0% (HPLC)
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双酚A双乙酯,Bisphenol A diacetate;98%
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2,3,5,6-四甲基吡嗪 [川芎嗪],2,3,5,6-Tetramethylpyrazine;≥98%, FG