Additional Acids Standard Back Catalog number: 94207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71918 Acetic anhydride Price on request 3780.9-K-IO 2-Isobutyl-3-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 24683-00-9 Price on request DF-SS-A100 Mass-Labelled PCDD Sampling Spike Solution, 1.2ml x 100ng/ml, nonane Price on request