ISO 11438-2-1993 镍铁 用电热原子吸收光谱法对痕量元素含量 第2部分:铅含量的测定
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标准号:ISO 11438-2-1993
中文标准名称:镍铁 用电热原子吸收光谱法对痕量元素含量 第2部分:铅含量的测定
英文标准名称:Ferronickel; determination of trace-element content by electrothermal atomic absorption spectrometric method; part 2: determination of lead content
标准类型:H11
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:H11
国际标准分类号:77.100
适用范围:The principle of the method specified is dissolution of a test portion in nitric acid, measurement of the absorption of the resonance line energy from the spectrum of lead in the test solution at a wavelength of 283,3 nm by an atomic absorption spectrometer fitted with a graphite furnace electrothermal atomizer, calibration by the standard additions method described in ISO 11438-1. Applies to lead contents in the range of 1,0 g/t to 5,0 g/t in ferronickel.
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