Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 70429 1,2-Epoxybutane Price on request 71289 1-Methylpyrene, 1000µg/ml in MeChl, 1ml Price on request 678513 Triadimenol, 100 µg/ml, Acetonitrile, 5ml Price on request