L-Methionine, analytical standard

Sudan Red 7B, analytical standard

Solvent Green 7, analytical standard

Acid Yellow 17, analytical standard

D(+)-Maltose hydrate, analytical standard (Supelco)

1,2,3,5-Tetrachlorobenzene 2000 µg/mL in Methanol, analytical standard (Supelco)

Rebaudioside C, analytical standard

Citrus Red 2, analytical standard

Bromethalin, analytical standard

Orange II sodium salt, analytical standard