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

3,3´-Dimethoxybenzidine, certified, 0.1g

Anion Standard - Nitrite, 10µg/ml in Water, 100ml

n-Hexadecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 544-76-3