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Rate of controlled-release urea pervasion through membrane determined by ultraviolet spectrophotometry
Zuo Xiu-jin; Wang Zhen-xin; Dai Xiao-min; Zhou Yi; Ma Xiao-jun
关键词Ultraviolet Spectrophotometry Controlled-release Urea P-dimethylaminozenzaldehyde Determination
刊名SPECTROSCOPY AND SPECTRAL ANALYSIS
2006-06-01
26期:6页:1151-1154
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology
类目[WOS]Spectroscopy
研究领域[WOS]Spectroscopy
英文摘要Application of controlled-release nitrogenous fertilizers can improve the efficiency of fertilizers and reduce the environmental pollution. Controlled-release urea (coated urea) is one of the controlled-release nitrogenous fertilizers developed quickly in the recent years. The rate of controlled-release urea pervasion through membrane is the most important index of the capacity of controlled release. There is a maximum absorption at lambda=426 nm with complex in acidic solution, using p-dimethylaminozenzaldehyde as color reagent, and the absorbance exhibits a linear reponses to the urea concentration over the range of 7. 5-210 mu g (.) mL(-1). The method for determining the rate of controlled-release urea pervasion through membrane was realized through determining the content of urea in the liquor, the recovery efficiency of the method is 96. 1%-103.9%.
语种英语
WOS记录号WOS:000238887300046
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140111
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dilian 116013, Peoples R China
2.Dalian Univ, Inst Environm & Chem Engn, Dilian 116622, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100089, Peoples R China
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GB/T 7714
Zuo Xiu-jin,Wang Zhen-xin,Dai Xiao-min,et al. Rate of controlled-release urea pervasion through membrane determined by ultraviolet spectrophotometry[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2006,26(6):1151-1154.
APA Zuo Xiu-jin,Wang Zhen-xin,Dai Xiao-min,Zhou Yi,&Ma Xiao-jun.(2006).Rate of controlled-release urea pervasion through membrane determined by ultraviolet spectrophotometry.SPECTROSCOPY AND SPECTRAL ANALYSIS,26(6),1151-1154.
MLA Zuo Xiu-jin,et al."Rate of controlled-release urea pervasion through membrane determined by ultraviolet spectrophotometry".SPECTROSCOPY AND SPECTRAL ANALYSIS 26.6(2006):1151-1154.
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