Tartrazine, certified, 0.25g

1,5-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-12-4

Fenoxaprop-P-ethyl, 100µg/mL in Acetonitrile, 1ml

2,2,4,6,6-Pentachlorobiphenyl, BZ-104