Method 508 Calibration Standard Back Catalog number: 94877 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2819.5-50-ME n-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2706-90-3 Price on request 674863 Didodecyldimethylammonium bromide, 100mg Price on request S-4503-10K-25LW Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request