USE OF BODY HYDROGEN AS AN INTERNAL STANDARD IN THE MEASUREMENT OF NITROGEN INVIVO BY PROMPT NEUTRON-CAPTURE GAMMA-RAY ANALYSIS

被引:65
作者
VARTSKY, D [1 ]
PRESTWICH, WV [1 ]
THOMAS, BJ [1 ]
DABEK, JT [1 ]
CHETTLE, DR [1 ]
FREMLIN, JH [1 ]
STAMMERS, K [1 ]
机构
[1] UNIV BIRMINGHAM,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
来源
JOURNAL OF RADIOANALYTICAL CHEMISTRY | 1979年 / 48卷 / 1-2期
关键词
D O I
10.1007/BF02519790
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The previously established technique of analysis of neutron capture γ-rays for the determination of nitrogen in-vivo has been modified to make estimates of absolute quantities of nitrogen mass. Hydrogen is used as an internal standard and the nitrogen mass is determined from the observed ratio of nitrogen to hydrogen counts, together with the hydrogen mass, estimated from body parameters. Phantom and cadaver studies indicate that nitrogen mass can be estimated to ±4% or better by this means. © 1979 Akadémiai Kiadó.
引用
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页码:243 / 252
页数:10
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