Propionic acid, 1ml Back Catalog number: 680167 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 19205 TCLP Semi-Volatile Low Range Standard Price on request 2192.8-50-ME Perfluoro-4-ethylcyclohexane sulfonic acid, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-24-0 Price on request 685557 Bisphenol B, 100 µg/ml, Acetonitrile, 1ml Price on request