2-Methyl-2-butene

n-Nonadecane, ?13C: -34.60, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-92-5

Copper (Cu)

Phosphate as (PO4-3), 1000µg/ml in water, 100ml