甲醇中1,4-二氯苯-D4溶液标准物质  1, 4-dichlorobenzene -D4 solution reference material in methanol  1.2mL  

甲醇中1,4-二氯苯-D4溶液标准物质  1, 4-dichlorobenzene -D4 solution reference material in methanol  1.2mL  

甲醇中4种氯代苯类混合标样  Mixed standard sample of 4 chlorobenzene in methanol  2mL  

甲醇中4种氯代苯类混合溶液标准物质  Four kinds of chlorobenzene mixed solution standard substances in methanol  2mL  

甲醇中4种氯代苯类混合溶液标准物质  Four kinds of chlorobenzene mixed solution standard substances in methanol  2mL  

甲醇:甲苯(9:1)中8种氯苯类混合溶液标准物质  Methanol: Reference material for 8 chlorobenzene mixtures in toluene (9:1)  2mL  

异辛烷中邻二氯苯溶液标准物质  Reference material for solution of o-dichlorobenzene in isoctane  2mL  

二硫化碳种4种氯苯类混合溶液标准物质  Carbon disulfide 4 kinds of chlorobenzene mixed solution standard material  2mL  

正己烷中3种三氯苯混合溶液标准物质  Reference material for three trichlorobenzene mixtures in n-hexane  2mL  

甲醇中12种氯苯混合物标准物质  12 chlorobenzene mixtures in methanol  2mL