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Blank experimental study on the determination of nitrogen and oxygen isotopes by chemical conversion method
Zong, Yuhan1,2; Hu, Jing3; Wang, Yadi1,2; Sun, Hongliang4; Li, Yuliang1,2; Liu, Weiguo3
通讯作者Li, Yuliang(yulianglee@Hotmail.com)
2019-11-18
发表期刊RSC ADVANCES
卷号9期号:64页码:37267-37273
摘要The reduction of nitrate to nitrous oxide by chemical conversion has the characteristics of simple operation and high sensitivity. Therefore, it is widely used in the pretreatment of nitrogen and oxygen isotopes. In this paper, a series of blank experiments were performed to determine various factors influencing the determination process for the chemical conversion method. To determine blank background values for reagents such as deionized water, NaCl and cadmium powder used in the experiment, the optimal experimental conditions of NaN3, NaCl and cadmium powder were determined to maximize the nitrate reduction rate. The results showed that NaCl was burned at 450 degrees C for 48 hours, and the placement time was not more than one day, which could minimize the pollution introduced by NaCl. When 0.3 g of cadmium powder and 600 nmol of NaN3 were added, the overall reduction efficiency reached 90%. After measuring actual standard samples, the method demonstrated a good accuracy and applicability.
DOI10.1039/c9ra07032j
关键词[WOS]NATURAL-ABUNDANCE ; NITRATE ; N-15 ; O-18 ; DELTA-N-15 ; IDENTIFY ; AMMONIUM ; CHLORIDE ; OXIDE ; NH4+
收录类别SCI ; SCI
语种英语
资助项目National Natural Science Foundation of China[21706038] ; State Key Laboratory of Loess and Quaternary Geology[SKLLQGYQ1802] ; National Training Projects of the University Students' Innovation and Entrepreneurship Program[201910710124] ; National Training Projects of the University Students' Innovation and Entrepreneurship Program[201910710125] ; National Training Projects of the University Students' Innovation and Entrepreneurship Program[s201910710244]
WOS研究方向Chemistry
项目资助者National Natural Science Foundation of China ; State Key Laboratory of Loess and Quaternary Geology ; National Training Projects of the University Students' Innovation and Entrepreneurship Program
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000501620400019
出版者ROYAL SOC CHEMISTRY
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/13012
专题加速器质谱中心
通讯作者Li, Yuliang
作者单位1.Changan Univ, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Minist Educ, Xian 710054, Shaanxi, Peoples R China
2.Changan Univ, Sch Environm Sci & Engn, Xian 710054, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
4.Chinese Acad Environm Planning, Beijing 100012, Peoples R China
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GB/T 7714
Zong, Yuhan,Hu, Jing,Wang, Yadi,et al. Blank experimental study on the determination of nitrogen and oxygen isotopes by chemical conversion method[J]. RSC ADVANCES,2019,9(64):37267-37273.
APA Zong, Yuhan,Hu, Jing,Wang, Yadi,Sun, Hongliang,Li, Yuliang,&Liu, Weiguo.(2019).Blank experimental study on the determination of nitrogen and oxygen isotopes by chemical conversion method.RSC ADVANCES,9(64),37267-37273.
MLA Zong, Yuhan,et al."Blank experimental study on the determination of nitrogen and oxygen isotopes by chemical conversion method".RSC ADVANCES 9.64(2019):37267-37273.
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