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ISO 7335:1987 (R2014) Iron ores — Determination of combined water content — Karl Fischer titrimetric method
ISO 7335:1987 (R2014) Iron ores — Determination of combined water content — Karl Fischer titrimetric method
ISO 4551:1987 (R2015) Ferroalloys — Sampling and sieve analysis
ISO 4552-1:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 1: Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese
ISO 4551:1987 (R2015) Ferroalloys — Sampling and sieve analysis
ISO 4552-1:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 1: Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese
ISO 4552-2:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 2: Ferrotitanium, ferromolybdenum, ferrotungsten, ferroniobium, ferrovanadium
ISO 4552-2:1987 (R2015) Ferroalloys — Sampling and sample preparation for chemical analysis — Part 2: Ferrotitanium, ferromolybdenum, ferrotungsten, ferroniobium, ferrovanadium
ISO 3713:1987 (R2015) Ferroalloys — Sampling and preparation of samples — General rules
ISO 3713:1987 (R2015) Ferroalloys — Sampling and preparation of samples — General rules
ISO 7373:1987 (R2015) Ferroalloys — Experimental methods for checking the precision of sample division
ISO 7373:1987 (R2015) Ferroalloys — Experimental methods for checking the precision of sample division