首页>
外国专利>
METHOD FOR QUICKLY AND EASILY MEASURING CONCENTRATION OF CADMIUM CONTAINED IN MINUTE AMOUNT IN FOOD BY USING PROMPT GAMMA-RAY ANALYSIS
METHOD FOR QUICKLY AND EASILY MEASURING CONCENTRATION OF CADMIUM CONTAINED IN MINUTE AMOUNT IN FOOD BY USING PROMPT GAMMA-RAY ANALYSIS
展开▼
机译:瞬发伽玛射线分析法快速简便地测定食品中微量镉的含量的方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
PROBLEM TO BE SOLVED: To contribute to food sanitation fields by enabling to rapidly and easily measure Cd concentration in foods without special techniques because of such advantages that chemical preparations and the like are not needed.;SOLUTION: In a prompt gamma-ray analysis, a provided method reduces influence of Compton components of H acting as noise factors by cutting neutrons in a region lower than a peak value of an absorption cross-sectional area of Cd by using a Gd foil or a chopper. Alternatively, in accordance with focusing on a phenomenon that 113Cd simultaneously emits two prompt gamma-rays with high intensity, a provided method does not detect gamma-ray from H by combining a multiple gamma-ray detecting method and the prompt gamma-ray analysis method.;COPYRIGHT: (C)2004,JPO
展开▼