This part of ISO 7627 specifies the method to be used for the determination of cobalt, iron, manganese and nickel contents of hardmetals within the range 0.01 to 0.5 % (mlm) by flame atomic absorption spectrometry. General requirements concerning the field of application, prin-ciple, interfering elements, apparatus, sampling and test report are given in ISO 7627/1.
DS/EN 27627-3-1993由丹麦标准化协会 DK-DS 发布于 1993-09-13,并于 1993-09-13 实施。
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