2H,2H-Perfluorooctanoic acid, 10mg

3,3',5,5'-Tetrabromobisphenol A diacetate,50 µg/mL,toluene,1mL Certan,

Nitrite (NO2-) as N

Di-isobutyl phthalate, 1000µg/ml in MeOH, 1ml