Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0731.12-K-IO 2,7-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 582-16-1 Price on request 8760.16-10MG 1-n-Propyl-2-phenylbenzimidazole,neat,neat,10mg, Price on request 70340 Carbofuran Price on request