Fehlings soltion

FERRIC  =  Iron (III)

Ferric ammonium citrate

ferric ammonium sulfate

Ferric chloride

Ferric nitrate

Ferric oxide

Ferric sulfate

FERROUS  =  Iron (II)

Ferros ammonium sulfate

Ferrous chloride

Ferrous sulfate

Ferrous sulfide

Fluorescein

Food coloring dyes

Fructose

Fuller's earth