亚精胺三盐酸盐,Spermidine trihydrochloride;≥98% (TLC)
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氟化钾,Potassium fluoride;NIST® SRM® 2203, standard for ion-selective electrodes
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硫代硫酸钠,Sodium thiosulfate;free-flowing, Redi-Dri™, ReagentPlus®, 99%
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邻苯三酚 [焦性没食子酸, 焦棓酚],Pyrogallol;≥98% (HPLC)
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8-苯胺基-1-萘磺酸,8-Anilino-1-naphthalenesulfonic acid [ANSA, ANS];≥97% (HPLC)
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无水磷酸二氢钠,Sodium phosphate monobasic;ReagentPlus®, ≥99.0%
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对苯醌,p-Benzoquinone [PBQ];Pharmaceutical Secondary Standard; Certified Reference Material