Pesticide Matrix Spike Solution Back Catalog number: 20120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34041 1-Chlorobutane Price on request 1024.18-K-T Chrysene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1719-03-5 Price on request X9045 2-Chloronaphthalene Price on request