EPA Method 608Mix #4 Back Catalog number: 41004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4503-500-25LW 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 2672.6-50-IO Pentabromophenol, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 608-71-9 Price on request 681201 TFNG, 100 µg/ml, Acetonitrile, 1ml Price on request