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Homepage>BS Standards>73 MINING AND MINERALS>73.060 Metalliferous minerals and their concentrates>73.060.10 Iron ores>BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content Titanium (III) chloride reduction methods
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immediate downloadReleased: 1990-10-31
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content Titanium (III) chloride reduction methods

BS 7020-4.2:1990

Analysis of iron ores. Method for the determination of total iron content Titanium (III) chloride reduction methods

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Standard number:BS 7020-4.2:1990
Pages:16
Released:1990-10-31
ISBN:0 580 19020 X
Status:Standard
DESCRIPTION

BS 7020-4.2:1990


This standard BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content is classified in these ICS categories:
  • 73.060.10 Iron ores

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.