Multi-Elements Mix Back Catalog number: 50155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50039 Potassium Bromide Price on request 50701A IC Standard 1C Price on request 0256.22-200-T Anthanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-26-4 Price on request