Pyriofenone, 100 µg/ml, Acetonitrile, 1ml

4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2

Tungsten (W)

Molybdenum, 1000µg/ml in in 0.5%-NH4OH / H2O,100ml