Sulfamerazine, 100 µg/ml, Methanol, 1ml

n-Dodecylbenzene, 100mg

Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml

N-Nitrosopyrrolidine, 2000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 930-55-2