Picric acid, 100 µg/ml, Acetonitrile, 10ml Back Catalog number: 679577 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677202 4-sec-Butylphenol, 250mg Price on request 93459 MA - EPH n-Hydrocarbon Standard Price on request 71762 Formaldehyde, 1000µg/ml in MeOH, 1ml Price on request