The method is applicable to nickel contents between 0.002 % (m/m) and 0.5 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests, and Annex B represents the precision data graphically.
Số hiệu tiêu chuẩn
ISO 4940
Tên tiêu chuẩn
Steel and cast iron; Determination of nickel content; Flame atomic absorption spectrometric method
Ngày phát hành
1985-12-00
Tiêu chuẩn tương đương
BS 6200 Subsection 3.20.4 (1986-09-30), IDT * BS 6200-3.20.4 (1986-09-30), IDT * GB/T 223.54 (1987), IDT * NF A08-307 (1985-10-01), MOD * JIS G 1257-3 (2013-11-20), MOD * PN-H-04018 (1992-03-30), MOD * SS-EN 10136 (1989-06-07), IDT * GOST R ISO 4940 (2010), IDT
Từ khóa
Atomic absorption spectrophotometry * Cast-iron * Chemical analysis and testing * Determination of content * Nickel * Steels
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