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

亚老哥儿1221套标, Aroclor 1221 Type 1 and 2 Set

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

亚老哥尔1232, Aroclor 1232,100 μg/mL in Methanol

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

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

亚老哥尔1248, Aroclor 1248,35 μg/mL in Isooctane

亚老哥尔1254, Aroclor 1254

亚老哥尔1254, Aroclor 1254 ,35 μg/mL in MeOH

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