The method ist applicable to a concentration range of 0,002 to 0,25 % (m/m) of sulfur in natural iron ores, and iron ore concentrates and agglomerates including sinter products. The results are not affected by the presence of fluoride. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results, and test report. ISO 4690 includes three annexes.
Số hiệu tiêu chuẩn
ISO 4690
Tên tiêu chuẩn
Iron ores; Determination of sulfur content; Combustion method
Ngày phát hành
1986-07-00
Tiêu chuẩn tương đương
BS 7020-7.2 (1989-01-31), IDT * GB/T 6730.17 (1986), NEQ * NF A20-407 (1987-09-01), IDT * UNI ISO 4690 (1992), IDT * JIS M 8217 (1994-03-01), MOD * PN-H-04126 (1993-03-30), IDT * STN ISO 4690 (1993-03-01), IDT * CSN ISO 4690 (1993-03-01), IDT
Từ khóa
Analysis * Chemical analysis and testing * Combustion * Determination of content * Iron ores * Minerals * Ores * Sulphur * Test equipment
ISO 4690
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