氯离子溶液标准物质  Chloride ion solution reference material  100mL  

二氧化氯检测配套试剂(甲酚红分光光度法)  Reagent for determination of chlorine dioxide (Cresol red spectrophotometry)  5瓶/套  

氯化亚锡甘油溶液标准物质  Standard substance for stannous chloride glycerine solution  100mL  

二氯甲烷中十氟三苯基磷(DFTPP)溶液标准物质  Decafluorotriphenylphosphorus (DFTPP) solution reference material in dichloromethane  1.2mL  

二硫化碳中四氯化碳(标样)  Carbon tetrachloride in carbon disulfide (standard sample)  2mL  

正己烷中7种多氯联苯混合溶液标准物质  7 kinds of polychlorinated biphenyls in n-hexane  1.2mL  

正己烷中7种多氯联苯混合溶液标准物质  7 kinds of polychlorinated biphenyls in n-hexane  1.2mL  

甲醇中16种多环芳烃混合溶液标准物质  16 kinds of polycyclic aromatic hydrocarbons in methanol  1.2mL  

乙酸乙酯中6种邻苯二甲酸酯类混合溶液标准物质  Six kinds of reference materials for mixed solution of phthalates in ethyl acetate  1.2mL  

乙酸乙酯中6种邻苯二甲酸酯类混合溶液标准物质  Six kinds of reference materials for mixed solution of phthalates in ethyl acetate  1.2mL