ICP MS Tuning Solution #4 Back Catalog number: 53318 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3148.22-K-IO Docosanoic acid (Behenic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-85-6 Price on request 673652 Parathion-ethyl, 100 µg/ml, Ethyl acetate, 5ml Price on request 97738 EPA Method 1664 - Oil & Grease (Sonicate) Price on request