Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72494 2-Chlorophenoxyacetic acid Price on request S-4719-500-ANX20 Custom nitrosamine-control mix 7 components, each 500µg/mL in acetonitrile 9666.4-K-AN N- Nitrosodiethanolamine 1116-54-7 NDELA 9004.2-2K-DC N-Nitrosodimethylamine 62-75-9 NDMA 9006.4-2K-DC N-Nitrosodiethylamie Price on request 3380.19-100-AN Diflufenican Price on request