二硫化碳中10种氯苯类混标标准物质  10 kinds of chlorobenzene mixed reference materials in carbon disulfide  2mL  

甲醇中1,2,4－三氯苯(标样)  1,2, 4-trichlorobenzene in methanol (standard sample)  2mL  

甲醇中2-氯苯酚溶液标准物质  Reference material for 2-chlorophenol solution in methanol  1.2mL  

甲醇中2-氯苯酚溶液标准物质  Reference material for 2-chlorophenol solution in methanol  1.2mL  

三氯乙酸标准样品  Trichloroacetic acid standard sample  2mL  

甲醇中4种氯代苯类混合(标样)  4 chlorobenzene Mixtures in methanol (standard sample)  2mL  

正己烷中1,2,4-三氯苯溶液标准物质  Solution reference material for 1,2, 4-trichlorobenzene in n-hexane  2mL  

甲醇中对氯苯酚溶液标准物质  Reference material for p-chlorophenol solution in methanol  1.2mL  

甲醇中对氯苯酚溶液标准物质  Reference material for p-chlorophenol solution in methanol  1.2mL  

甲醇中对氯苯酚溶液标准物质  Reference material for p-chlorophenol solution in methanol  1.2mL