The water used to dilute HCL may contain Iron chloride as an impurity so the solution you prepare as a mobile phase is contaminated with iron chloride.
Iron Chloride. It is also called Ferric Chloride.
Iron(Fe) and chlorine(Cl) Ferric Chloride - FeCl3 Ferrous Chloride - FeCl2
The chemical name for FeCl2 is Iron(II) chloride or ferrous chloride. Ferrous chloride is a solid with a high melting point.
Iron chloride contain iron and chlorine.
The pH is a notion applied only to solids; the water soution of iron(III) chloride is acidic.
Iron(III) Chloride / Ferric Chloride / Iron Trichloride
Iron(II) chloride or ferrous chloride as well as iron(III) chloride or ferric chloride are both solids.
There are two iron chlorides : Iron(II) Chloride = FeCl2 Iron(III) Chloride = FeCl3
There is iron (II) chloride (ferrous chloride, iron dichloride). There is also iron (III) chloride (ferric chloride, iron trichloride).
Amethyst is quartz that contains an impurity that imparts the purple color. The impurity in amethyst is iron.
The chemical formula for ferrous chloride or iron (II) chloride is FeCl2.
FeCl2 for Iron II Chloride and FeCl3 for Iron III Chloride
There is iron (II) chloride (ferrous chloride, iron dichloride). There is also iron (III) chloride (ferric chloride, iron trichloride).
Fe2O3
The percentage of iron in iron(III) chloride is 65,57 %.
There are two Iron chlorides. Iron(II) chloride, in which iron is in +2 oxidation state, and Iron(III) chloride, in which iron is in +3 oxidation state.
Slag