GOST 17260-1987 Ferroalloys, metal chromium and metal manganese. General rules for sampling and sample preparation for chemical analysis
GOST 20515-1975 Aluminium thermal treated ferromobium. Sampling method and sample preparation for chemikal analysis
GOST 24991-1981 Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese. Methods of sampling and sample preparation for chemical and physical-chemical analyses
GOST 25207-1985 Ferrotungsten, silicocalcium and ferroboron. Methods for sampling and sample preparation for chemical and physico-chemical analyses
GOST 26201-1984 Terrotitanium, ferromolybdenum and ferrovanadium. Sampling and sample preparation methods for chemical and physical-chemical analyses
ISO 4552-1:1987 Ferroalloys; Sampling and sample preparation for chemical analysis; Part 1 : Ferrochromium, ferrosilicochromium, ferrosilicon, ferrosilicomanganese, ferromanganese
ISO 4552-2:1987 Ferroalloys; Sampling and sample preparation for chemical analysis; Part 2 : Ferrotitanium, ferromolybdenum, ferrotungsten, ferroniobium, ferrovanadium
ISO 7087:1984 Ferroalloys; Experimental methods for the evaluation of the quality variation and methods for checking the precision of sampling
GOST 28782-1990 history
1990GOST 28782-1990 Ferroalloys. Experimental methods for checking the precision of sample devision