Isofenphos, 10.0 µg/ml, Ethyl acetate, 10ml

Phthalate Internal Standard Product Concentration 1 Diethylphthalate-d4 100 000 ng/mL Di-n-butylphtalate-d4 100 000 ng/mL Di-2-ethylhexylphtalate100 000 ng/mL Solvent: n-Hexane Units: 1mL crimp-top bottles

Metoprolol Tartrate, >98%, 5g

Mercury, 10µg/mL in 2-5% Nitric acid, 100ml