ASTM D-4815 Calibration Mix #1

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

Terbacil, 100 µg/ml, Ethyl acetate, 5ml

Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-5, Cas.no. 473-98-3