EPA Method 525.2 Standard Back Catalog number: 92694 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-75-25LW 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 S-4169-10ML 3 Fluorinated Internal Standard Mix S-4169 3 Analytes, each Wt.% as listed Units : 1x10mL, 5x10mL Name Wt.% Fluorobenzene 39,7 1-Ethyl-4-fluorobenzene 39,3 1-Fluoronaphthalene 20,9 Price on request H-197N 1,2-Dimethylnaphthalene, 10mg Price on request