
Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods.
NORMA vydána dne 31.10.1990
Designation standards: BS 7020-4.2:1990
Publication date standards: 31.10.1990
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategorie: Technické normy BS
Two methods specified using potassium dichromate as titrant after reduction of the iron (III) by tin (II) chloride and titanium (III) chloride. Excess reductant oxidized by either dilute potassium dichromate or perchloric acid. Status: Definitive