五氯化铌,Niobium(V) chloride;≥99.9% trace metals basis
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山梨酸,Sorbic acid;Pharmaceutical Secondary Standard; Certified Reference Material
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焦碳酸二乙酯,Diethyl pyrocarbonate [DEPC];≥97% (NMR)
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氯化铑(III)水合物,Rhodium(III) chloride hydrate;99.95% trace metals basis
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四氟硼酸银,Silver tetrafluoroborate;≥99.99% trace metals basis
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肼一水合物 [水合肼],Hydrazine monohydrate;N2H4 64-65 %, reagent grade, 98%
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巴豆苷,Crotonoside;≥95% (HPLC)