Metals Calibration Standard Revised Back Catalog number: 50189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3191.20-K-IO Ethyl 12-hydroxystearate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82807-36-1 Price on request 91003 EPA Method 8270C Pesticide Mix #20 Price on request M218602 Menaquinone 7-d7 (90%), 0,25mg Price on request