_<κ_0->中性子即発γ線分析による土壌及び底質標準物質の多元素定量

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Multi-element determination in reference materials of soils (JSAC 0401, JSAC 0411) and sediments (NMIJ CRM 7302-a, NMIJ CRM 7303-a), which were prepared at the Japan Society for Analytical Chemistry and the National Institute of Advanced Industrial Science and Technology of the National Metrology Institute of Japan, respectively, has been carried out by neutron-induced prompt gamma-ray analysis (PGA) using standard addition and κ_0-standardization methods. Firstly, the absolute Ti concentrations in the samples were determined accurately by the standard addition method. Secondly, the relative multi-element concentrations were determined by the κ_0-standardization method. Finally, the absolute multi-element concentrations were obtained by normalizing the relative multi-element concentrations with the absolute Ti concentration in the samples. The 15 elements, such as H, B, Na, Si, S, Cl, K, Ca, Ti Cr, Mn, Fe, Cd, Sm and Gd were determined by κ_0-PGA. The analytical results of these reference materials agreed with the certified or reference values within about 10%.
社団法人日本分析化学会の論文
2004-07-05