Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0055.15-10MG 4H-Cyclopenta[def]phenanthren-4-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5737-13-3 Price on request 679183 Glufosinate-N-acetyl, 10.0 µg/ml, Water, 10ml Price on request 1526.24-K-DC Coronene-d12, 1000µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 16083-32-2 Price on request