The method is applicable to the determination of chromium contents between 0.003 and 2.0 % (m/m). ISO 4744 specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. An International Standard dealing with the sampling of copper and copper alloys is in preparation.
Số hiệu tiêu chuẩn
ISO 4744
Tên tiêu chuẩn
Copper and copper alloys; Determination of chromium content; Flame atomic absorption spectrometric method
Ngày phát hành
1984-06-00
Tiêu chuẩn tương đương
BS 6721-4 (1986-12-31), IDT * GB/T 5121.16 (2008), MOD * NF A08-751 (1983-09-01), IDT * JIS H 1071 (1999-03-20), MOD * TS 5196 (1987-04-21), IDT * UNI 8707 (1985), IDT * STN ISO 4744 (1992-11-01), IDT * CSN ISO 4744 (1992-11-01), IDT
Từ khóa
Atomic absorption spectrophotometry * Chromium * Copper * Copper alloys * Determination of content