Initial Check Verif. Standard 4, in 4%HNO3, 100ml

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

Monobutyl phthalate (mBP), 100mg

3,3',5,5'-Tetrabromobisphenol A diglycidyl ether,50 µg/mL ,toluene,1mL