Aliphatic Internal Standard Back Catalog number: 97279 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3443.2-100-AN Methamidophos, 100μg/mL in Acetonitrile, 1ml Price on request 91006 EPA Method 8270C Mix #27 Price on request DF-IS-E200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request