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

6级校准检查标准, Working Level 6 Calibration Check ,Varied conc. in Isooctane

亚老哥尔1232, Aroclor 1232,1000 μg/mL in Hexane

亚老哥尔1232, Aroclor 1232,500 ppm w/w in Transformer oil

亚老哥尔1242, Aroclor 1242,35 μg/mL in Isooctane

亚老哥尔1242, Aroclor 1242,35 μg/mL in MeOH

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

EPA方法8080/8081有机氯混标, Calibration Check Set

亚老哥尔1248, Aroclor 1248 ,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