ferric

The Swiss salt, which contained iron in the form of ground-up ferric pyrophosphate, lost 44% of its iodine content in the first month of storage, and 86% after six months.

Amid the Iron Islands—perhaps non-ferric metals are scarce in the Seven Kingdoms?

It gave a bluish-black color with impure ferrous sulphate and a dark color with ferric chloride.

An alcoholic solution of this substance gave a dark color with ferric chloride and a light colored precipitate with lead acetate.

A small portion of the tar residue in alcoholic solution gave a color reaction with ferric chloride.

The filtrate did not give any color with ferric chloride, but it reduced Fehling solution.

This solution was yellow and gave a reaction with ferric chloride similar to that of gallic acid.