17-alpha-Estradiol, certified, 0.1g

3,6-Dimethylphenanthrene, 100µg/ml in Cyclohexane, 5ml

2-Ethylanthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52251-71-5

Nitrite (NO2-) as N