甲醇中间硝基氯苯溶液标准物质  Reference material for methanol intermediate nitrochlorobenzene solution  2mL  

甲醇中间硝基氯苯溶液标准物质  Reference material for methanol intermediate nitrochlorobenzene solution  2mL  

甲醇中邻硝基氯苯溶液标准物质  Reference material for o-nitrochlorobenzene solution in methanol  2mL  

甲醇中邻硝基氯苯溶液标准物质  Reference material for o-nitrochlorobenzene solution in methanol  2mL  

3种内标(1,4-二氯苯-D4、菲-D10、?-D12)混合溶液标准物质  Three internal standards (1, 4-dichlorobenzene -D4, phe-D10,? -D12) reference material for mixed solution  1.2mL  

二氯甲烷中芘-D10溶液标准物质  Methylene chloride in pyrene -D10 solution reference material  1.2mL  

甲醇中苯并(a)芘质控样  Quality control sample of benzo (a) pyrene in methanol  1.5mL  

二氯甲烷中6种替代物混合溶液标准物质  Dichloromethane in 6 substitute mixed solution reference material  1mL  

二氯甲烷中6种内标同位素混合溶液标准物质  Standard material for 6 kinds of internal standard isotope mixed solution in dichloromethane  1mL  

乙腈中苯并[e]芘溶液标准物质  Benzo [e] pyrene solution standard substance in acetonitrile  1.2mL