QC-21 - ICP Optical Back Catalog number: 50282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53155 CLP Calibration Standard Price on request 8951.21-100-ME 3-Chloro-1,2-propandiol-1-monostearate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 2371.9-K-ME Syringaldehyde, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 134-96-3 Price on request