Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4502-50-25IO 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 10697.19-K-ME N-MOB-5-APB Price on request 1087.18-10MG Benz[a]anthracene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1718-53-2 Price on request