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BS 7020-22:1990 Analysis of iron ores Method for the determination acid-soluble (II) content. Titrimetric method
BS 7020-3:1988 Analysis of iron ores Method for the determination combined water content
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination total content Titanium (III) chloride reduction methods
BS 7020-5.1:1993 Analysis of iron ores. Methods for the determination silicon content Gravimetric methods
BS 7020-5.2:1993 Analysis of iron ores. Methods for the determination silicon content Reduced molybdosilicate spectrophotometric method
BS 7020-6.2:1993 Analysis of iron ores. Methods for the determination phosphorus content. Molybdenum blue spectrophotometric method
BS 7020-7.1:1988 Analysis of iron ores. Methods for the determination sulphur content Gravimetric method
BS 7020-7.2:1988 Analysis of iron ores. Methods for the determination sulphur content Combustion method
BS 7020-8.1:1988 Analysis of iron ores. Methods for the determination aluminium content Titrimetric method
BS 7021:1989 Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane (PUR) or polyisocyanurate (PIR) foam
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