硫酸镍六水合物,Nickel(II) sulfate hexahydrate;ReagentPlus®, powder or crystals, 98.0-102.0% (EDTA titration)
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三氧化钨(VI),Tungsten(VI) oxide;powder, puriss., 99.9%
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硫酸铬(III)钾十二水合物,Chromium(III) potassium sulfate dodecahydrate;for analysis EMSURE® ACS,Reag. Ph Eur, 99.0-102.0% (iodometric)
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聚(9-乙烯基咔唑),Poly(9-vinylcarbazole) [PVK];average Mn 25,000-50,000
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3-氨基喹啉,3-Aminoquinoline [3-AQ];98%
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欧前胡素,Imperatorin;≥98% (HPLC), powder
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荧光素,Fluorescein (free acid);for fluorescence, free acid