Surrogate Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23SSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 10133.25-1G 4-n-Nonylphenol pentaethoxylate Price on request 673937 Fipronil-sulfone, 10.0 µg/ml, Acetonitrile, 10ml Price on request 679800 Norfloxacin, 100 µg/ml, Methanol, 1ml Price on request