Imidazole, 250mg Back Catalog number: 680963 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended NK-ST-A Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 0245.26-200-T 2.3-Peri-naphthylene-pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 188-89-6 Price on request 1295.16-200-T 7,8,9,10-Tetrahydrobenzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39097-15-9 Price on request