525.2 Internal & Surrogate Standard Back Catalog number: 92386 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675757 Disulfoton-sulfoxide, 100 µg/ml, Acetonitrile, 5 Price on request 678445 Nitrofen, 100 µg/ml, Acetonitrile, 1ml 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