Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1115.18-K-T 6-Nitrochrysene-d11, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203805-92-9 Price on request CAR-DNPH Carbonyl Compounds as DNPH, in Acetonitrile, 1ml Price on request 679435 D10-Diazinon, 100 µg/ml, Acetone, 1ml Price on request