Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8537.16-250MG n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 17851-53-5 Price on request 3236.21-K-IO 12-cis,15-cis-Heneicosadienoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 191545-08-1 Price on request 50730 Anion Mix Price on request