Spiking Standard #2 Back Catalog number: 52070 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3569.10-K-IO 4-Methylquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 491-35-0 Price on request 2254.10-K-IO 4-Methyl-8-nitroquinoline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2801-29-8 Price on request 71230 Imazapyr Price on request