3-氯苯甲酸,3-Chlorobenzoic acid;NIST® SRM® 2144
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柠檬醛,Citral;analytical standard, ≥98.0% (sum of cis and trans, GC) -
四乙二醇单甲醚,Tetraethyleneglycol monomethyl ether;technical grade, 99% -
偏钒酸铵,Ammonium metavanadate;puriss. p.a., ACS reagent, ≥99.0% (RT) -
聚吡咯,Polypyrrole [PPy];doped, conductivity 30 S/cm (bulk), extent of labeling: 20 wt. % loading, composite with carbon black -
盐酸药根碱,Jatrorrhizine chloride;phyproof® Reference Substance, ≥98.0% (HPLC)
