Sodium p-n-dodecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml Back Catalog number: 2561.18-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 50647 Sodium arsenate dibasic heptahydrate (As) Price on request 673649 Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request