二氯甲烷中3种内标同位素混合溶液标准物质  Reference material for three kinds of internal standard isotope mixed solution in methylene chloride  1.2mL  

二氯甲烷中5种氘代多环芳烃混合溶液标准物质  Five deuterated polycyclic aromatic hydrocarbons in dichloromethane  1.2mL  

乙腈中萘溶液标准物质  Naphthalene solution standard substance in acetonitrile  1.5mL  

甲醇中苯并(a)芘溶液标准物质  Standard substance for benzo (a) pyrene solution in methanol  1.2mL  

乙腈中苯并[ghi]苝溶液标准物质  Standard substance for benzo [ghi] Perylene solution in acetonitrile  1.5mL  

乙腈中二苯并[a,h]蒽溶液标准物质  Dibenzo [a,h] anthracene solution standard material in acetonitrile  1.5mL  

乙腈中茚并[1,2,3-cd]芘溶液标准物质  Standard substance for indene [1,2, 3-CD] pyrene solution in acetonitrile  1.5mL  

乙腈中苯并[a]芘溶液标准物质  Benzo [a] pyrene solution standard substance in acetonitrile  1.5mL  

乙腈中苯并[k]荧蒽溶液标准物质  Reference material for benzo-fluoranthrene solution in acetonitrile  1.5mL  

乙腈中苯并[b]荧蒽溶液标准物质  Benzo-fluoranthrene solution standard material in acetonitrile  1.5mL