Instrument Standard 1 Back Catalog number: 52077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0815.15-K-IO 9-Methylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 883-20-5 Price on request 676958 Temephos, 100 µg/ml, Acetonitrile, 1ml Price on request 677997 Malathion, 100 µg/ml, Toluene, 1ml Price on request