苊同位素-D10标准品  Acenaphthene D10  250mg  

苊标准品  Acenaphthene  100mg  

23种有机氯农药的测定标准品  Standard for the determination of 23 organochlorine pesticides  1mL  气相色谱法

多环芳烃的测定标准品  Standard for the determination of polycyclic aromatic hydrocarbons  1mL  高效液相色谱法

18种多氯联苯的测定标准品  Standard for determination of 18 kinds of polychlorinated biphenyls  1mL  气相色谱-质谱法

12种挥发性多环芳烃的测定标准品  Standard for determination of 12 volatile polycyclic aromatic hydrocarbons  1mL  顶空/气相色谱法

37种挥发性有机物的测定标准品  Standard for the determination of 37 volatile organic compounds  1mL  顶空-气相色谱法

35种挥发性卤代烃的测定标准品  Standard for determination of 35 volatile halogenated hydrocarbons  1mL  顶空气相色谱-质谱法

35种挥发性卤代烃的测定标准品  Standard for determination of 35 volatile halogenated hydrocarbons  1mL  吹扫捕集/气相色谱-质谱法

35种挥发性卤代烃的测定标准品  Standard for determination of 35 volatile halogenated hydrocarbons  1mL  顶空气相色谱-质谱法