QC-21 - ICP Optical Back Catalog number: 50282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA17305000AL Terbuthylazine-2-hydroxy, 100 ng/µl, 1ml Price on request 72575 4-n-Octylphenol, 1000µg/mL in MeOH, 1ml Price on request 19134 Chlorothalonil Price on request