Internal & Surrogate Standard 8260B Back Catalog number: 97179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2792.16-K-IO 1-n-Hexylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2876-53-1 Price on request 674924 Imazosulfuron, 100mg Price on request