Phenkapton, 10.0 µg/ml, Acetonitrile, 1ml Back Catalog number: 674056 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 72165 Folic acid Price on request 93695 EPA Method 525.2 Phthalates Price on request