标准号:ISO 11438-4-1993
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4部分:锡含量的测定
英文标准名称:Ferronickel; determination of trace-element content by electrothermal atomic absorption spectrometric method; part 4: determination of tin 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 tin in the test solution at a wavelength of 286,3 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 tin contents in the range of 1,0 g/t to 10,0 g/t in ferronickel.