ICP-MS Tuning Solution #1 EPA 200.8 Back Catalog number: 52122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDF-1368 1,3,6,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 1148.28-K-IO n-Octacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-02-4 Price on request 50794 Total Kjeldahl Nitrogen as N Price on request