Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 55026 WP Conductance @ 25°C Price on request 0607.28-100-IO alpha alpha alpha (20R 24R)-24-Methylcholestane and alpha alpha alpha (24R 24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3/62446-14-4 Price on request 2562.19-100-ME Sodium p-n-tridecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request