二硫化碳中苄基氯(氯化苄)溶液标准物质  Benzyl chloride (benzyl chloride) solution reference material for carbon disulfide  2mL  

二硫化碳中苄基氯(氯化苄)溶液标准物质  Benzyl chloride (benzyl chloride) solution reference material for carbon disulfide  2mL  

二硫化碳中二氯甲烷溶液标准物质  Dichloromethane solution reference material in carbon disulfide  2mL  

二硫化碳中二氯甲烷溶液标准物质  Dichloromethane solution reference material in carbon disulfide  2mL  

甲醇中氯化甲基汞溶液标准物质  Methyl mercury chloride solution reference material in methanol  1.2mL  

正己烷中9种多氯联苯PCB混合溶液标准物质  Nine kinds of polychlorinated biphenyl PCB mixed solution reference material in n-hexane  1.2mL  

丙酮中多氯联苯质控样  Quality control sample of polychlorinated biphenyls in acetone  1.5mL  

异辛烷中11种氯苯混合溶液标准物质  Reference material for 11 chlorobenzene mixed solutions in isoctane  2mL  

甲醇中甲基叔丁基醚溶液标准物质  Methyl tert-butyl ether solution reference material in methanol  2mL  

正己烷中2,4,4-三氯联苯(PCB28)溶液标准物质  2,4, 4-trichlorobiphenyl (PCB28) solution reference material in n-hexane  1.2mL