See 38227 (Soil version) Back Catalog number: 38226 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-IS-J4 Internal Standard Solution, 1.2ml, nonane Price on request 1749.16-K-IO 3-n-Dodecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-52-3 Price on request 15900-3175-100AN5 Mesotrione, 100µg/ml in Acetonitrile, 5ml Price on request