Michigan GRO Standard Back Catalog number: 51182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C40 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 2234.17-050-5AN Aflatoxin B2, 0.5 µg/ml, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 7220-81-7 Price on request 70813 Profenophos, 1000µg/ml in MeOH, 1ml Price on request