Multi-Element Internal Standard Back Catalog number: 50160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19132 EPA Method 508 - Performance Check Solution Price on request 10533.28-50-ME 25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml Price on request 8226.6-100 Desmetryne, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1014-69-3 Price on request