BS 7020-4.2:1990
Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods

Standard No.

BS 7020-4.2:1990

Release Date

1990

Published By

British Standards Institution (BSI)

Latest

BS 7020-4.2:1990

Replace

87/44676 DC-1987

Scope

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.

BS 7020-4.2:1990 history

• 1990 BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods