EPA Method 8330 Analyte Back Catalog number: 82447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679945 Verapamil hydrochloride, 100mg Price on request S-4502-3-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 9390.4-2G Morpholine-2,2,3,3,5,5,6,6-d8, neat, Solvent-neat, Unit 2g, # of units-1, Cas.no. 342611-02-3 Price on request