亚老哥尔 1221, Aroclor 1221,500 ppm w/w in Transformer oil

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

亚老哥尔1232, Aroclor 1232,35 μg/mL in Isooctane

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

亚老哥尔1242, Aroclor 1242,100 μg/mL in Isooctane

亚老哥尔1248, Aroclor 1248,100 μg/mL in Hexane

每日高级校准检查标准, Daily High 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

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

多氯联苯-1260, Aroclor 1260 ,100 μg/mL in MeOH