BS 7020-17:1988
BS 7020-19:1988
BS 7020-22:1990
BS 7020-3:1988
BS 7020-5.1:1993..
BS 7020-5.2:1993..
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BS 7020-4.2:1990
Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods.
STANDARD published on 31.10.1990
The information about the standard:
Designation standards: BS 7020-4.2:1990
Publication date standards: 31.10.1990
SKU: NS-75931
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Category: Technical standards BS
The category - similar standards:
Annotation of standard text BS 7020-4.2:1990 :
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
Similar standards:
31.1.1989
31.1.1989
28.2.1990
31.1.1989
15.10.1993
15.10.1993
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