EPA Method 505 Analyte Mix

O,O-Dimethylthiophosphate, sodium salt, 5mg

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

Custom mix AZO standards, each component 0.10mg/ml in methanol: 2783.12 4-Aminodipenyl 1773.12 Benzidine 2763.7 4-Chloro-o-toluidine 1780.0 2-Naphthylamine 2765.6 4-Chloroaniline 2784.7 2,4-Diaminoanisole 2762.13 4,4’-Methylenedianiline 2