Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml Back Catalog number: XA10332100AC Availability: In the manufacturer's stock Price on request - + Recommended 54142 Alkalinity as Calcium Carbonate, 1000µg/ml in Water, 100ml Price on request 8757.14-50-T 1,2-Bis(2,4,6-tribromophenoxy)ethane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 37853-59-1 Price on request S-4326-K-TX5 Nitro-PAH Mixture 2 2204,14 9-Nitrophenanthrene [954-46-1] 1108,13 3-Nitrofluorene [607-57-8] 1468,16 2-Nitropyrene [789-07-1] Concentration: 1000ppm each in toluene Price on request