Supplemental PAH Standard Back Catalog number: 94193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71850 2-Methylthiophene Price on request 3346.6-100-AN Clopyralid, 100µg/ml in Acetonitrile, 1ml Price on request DF-IS-H Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request