1,2,3,4-Tetachloronaphthalene

PCB No. 157, 10µg/ml in Isooctane, 10ml

ISO 15680 Stock Calibration Standard Solution 2 13 Analytes to be used with Internal standard S2, each 2000µg/mL in methanol; unit: 1x5mL 1352.1 Tetrachloromethane [56-23-5] 3952.3 1,1-Dichloropropane [563-58-6] 1300.6 Benzene [71-43-2] 1355.2 1,2-D

N-Nitrosopiperazine, 100mg