磷酸,Phosphoric acid;85 wt. % in H2O, 99.99% trace metals basis
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氨苄青霉素 [氨苄西林三水合物],Ampicillin trihydrate;Pharmaceutical Secondary Standard; Certified Reference Material
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丁基琼脂糖凝胶4FF,Butyl Beads 4FF
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二乙基二硫代氨基甲酸钠三水合物,Sodium diethyldithiocarbamate trihydrate;ACS reagent
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丁基锡酸,Butyltinhydroxide-oxide;for synthesis
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二苯胺-4-磺酸钠,Sodium diphenylamine-4-sulfonate;ACS reagent
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阿相东莨菪碱,Aposcopolamine;phyproof® Reference Substance, ≥90.0% (HPLC)