Internal & Surrogate Standard 8260B Back Catalog number: 97179 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673785 Demeton-S-methyl-sulfoxide, 100 µg/ml, Ethyl acet Price on request 8839.8-K-IO 2-Isobutylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 92452 Chlorinated Pesticide Mix B Price on request