Rubidium (Rb)

1,2,3,4-Tetraphenyl-1,3-cyclopentadiene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15570-45-3

Ethyl acetate, 10mg/mL in water, 1ml

Beryllium (Be)