亚老哥�?016, Aroclor 1016 ,1000 μg/mL in MeOH

亚老哥� 1221 / ASTM D6160(废弃物中多氯联苯的气相色�?, Aroclor 1221,1000 μg/mL in Hexane

亚老哥�?221套标, Aroclor 1221 Type 1 and 2 Set

每日低级校准检查标�? Daily Low Level Calibration Check ,Varied conc. in Isooctane

亚老哥�?232, Aroclor 1232,100 μg/mL in Methanol

每日低级校准检查标�? Daily Low Level Calibration Check Standard,Varied conc. in Isooctane

每日高级校准检查标�? Daily High Level Calibration Check Standard,Varied conc. in Isooctane

亚老哥�?248, Aroclor 1248,35 μg/mL in Isooctane

亚老哥�?254, Aroclor 1254

亚老哥�?254, Aroclor 1254 ,35 μg/mL in MeOH