Hardmetals — Chemical analysis by flame atomic absorption spectrometry — Part 2: Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02 % (m/m)
硬质合金与粉煤灰;火焰原子吸收光谱法化学分析第2部分:0001-0.02%(m/m)范围内钙、钾、镁和钠含量的测定
发布日期:
1983-10-01
ISO 7627-1给出了有关应用领域、原理、干扰元件、仪器、取样和试验报告的一般要求。在低浓度下,这些元素的测定非常关键。
General requirements concerning the field of application, principle, interfering elements,aparatus, sampling and test report are given in ISO 7627-1. In low concentrations the determination of these elements is very critical.