Ba, 1000 µg/mL in 2% HNO3, 100ml

Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

n-Hexadecane, ?13C: - 33.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 544-76-3

Kaempferol, 20mg