吡哆醇盐酸盐 [维生素B6盐酸盐],Pyridoxine hydrochloride [PN HCl, VB6 HCl];powder
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4'-甲基苯乙酮,4′-Methylacetophenone;95%
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癸二酸二丁酯,Dibutyl sebacate [DBS];Selectophore™, ≥97.0%
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邻苯二甲酸氢钾,Potassium hydrogen phthalate [KHP];puriss. p.a., buffer substance, ≥99.5%
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尿素,Urea;free-flowing, Redi-Dri™, Bioreagent, ≥98%
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芘,Pyrene;sublimed grade, 99%
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硝酸汞(II)一水合物,Mercury(II) nitrate monohydrate;≥99.99% trace metals basis