Potassium (K)

1.2,3.4,5.6,10.11-Tetrabenzanthanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 188-00-1

Arochlor 5460 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11126-42-4

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.