Multi-Elements Mix Back Catalog number: 50023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53028 Spike Sample Standard 1 Price on request 0344.18-K-IO 4-n-Hexylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59662-31-6 Price on request 79346 Stirophos Price on request