亚老哥尔1242, Aroclor 1242,50 ppm in Transformer oil

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

亚老哥尔1248, Aroclor 1248

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

亚老哥尔1248, Aroclor 1248,500 ppm in Transformer Oil

亚老哥尔1254, Aroclor 1254 ,1000 μg/mL in MeOH

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

1,1’-联苯氯代衍生物 1254, Aroclor 1254,50 ppm in Transformer oil

亚老哥尔1254, Aroclor 1254 ,100 μg/mL in Isooctane

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