Reagentia
ijzer(II)ammoniumsulfaat-hexahydraat (MohrÂ's zout), [Fe(NH
4
)
2
(SO
4
)
2
.6H
2
O]
zwavelzuur (2 mol/l)
ammoniumacetaatoplossing (200 g/l)
o-fenantroline-oplossing (1,00 g/l, aangezuurd)
hydroxylammoniumchloride-oplossing (100 g/l)