3-(Trifluoromethyl)phenyltrimethylammonium Hydroxide (5% in Methanol), 25ml Back Catalog number: T0961-25ML Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-D200 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2918.8-100-IO Atrazine-d5 (ethyl-d5), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 163165-75-1 Price on request 3171.23-K-IO Methyl docosanoate (Methyl behenate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 929-77-1 Price on request