PSA-C18-Mix 12 Back Catalog number: 675158 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0701.13-500-IO 1,2,4-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2717-42-2 Price on request 79674 Dibenzothiophene Price on request 0250.26-10MG Peropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-96-5 Price on request