Selenium (Se)

Dimethyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 93951-89-4

9,10-Anthraquinone,1000 µg/mL,toluene,1mL,

Ethanol standard in water,0.5g/L,water, 3mL