Pyrene, 100 µg/ml, Cyclohexane, 1ml Back Catalog number: 678965 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680443 beta-HCH, 100 µg/ml, Methanol, 1ml Price on request 54264 Total Cyanide (CN), 1000µg/ml in in Water / Tr. NaOH, 500ml Price on request 82535 EPA Method 8250 - Acid Matrix Spiking Solution Price on request