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兰州大学 [34]
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期刊论文 [33]
会议论文 [1]
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2011 [1]
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chemistry [34]
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Preconcentration of trace aluminum (III) ion using a nanometer-sized TiO2-silica composite modified with 4-aminophenylarsonic acid, and its determination by ICP-OES
期刊论文
MICROCHIMICA ACTA, 2011, 卷号: 175, 期号: 3-4
-
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2014/12/05
4-aminophenylarsonic acid modified nano-TiO2/SiO2 composite material
Preconcentration
Aluminum (III)
ICP-OES
Solid phase extraction of trace Hg(II) on silica gel modified with 2-(2-oxoethyl)hydrazine carbothioamide and determination by ICP-AES
期刊论文
TALANTA, 2010, 卷号: 82, 期号: 5
-
收藏
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浏览/下载:5/0
  |  
提交时间:2014/12/05
Silica gel
2-(2-Oxoethyl)hydrazine carbothioamide
Solid phase extraction
Hg(II)
Inductively coupled plasma atomic emission spectrometry (ICP-AES)
Determination of trace metals in natural samples by ICP-OES after preconcentration on modified silica gel and on modified silica nanoparticles
期刊论文
MICROCHIMICA ACTA, 2009, 卷号: 165, 期号: 3-4
-
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2014/12/05
Silica gel
Nanometer SiO(2)
Amide modification
Trace metals
ICP-OES
4-(2-aminoethylamino)-N-(2-(2-aminoethylamino) ethyl)butanamide
ICP-OES determination of trace metal ions after preconcentration by 4-(8-hydroxy-5-quinolylazo)naphthalenesulfonic acid modified silica gel
期刊论文
JOURNAL OF MOLECULAR STRUCTURE, 2008, 卷号: 891, 期号: 1-3
-
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2014/12/05
4-(8-Hydroxy-5-quinolylazo)-naphthalene sulfonic acid
ICP-OES
Cu (II), Zn (II), Cd (II), Cr (III) and Ni (II)
Determination
Trace metal ions
Pre-concentration
Selective solid phase extraction and preconcentration of trace mercury(II) with poly-allylthiourea packed columns
会议论文
3rd International Workshop on Biosensors for Food Safety and Environmentsl Monitoring, Fez, MOROCCO, OCT 18-20, 2007
作者:
Qu, WS
;
Zhai, YH
;
Meng, SM
;
Fan, YQ
;
Zhao, Q
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/07/23
Mercury determination
Mercury(II)
Poly-allylthiourea
Preconcentration
Solid phase extraction
Selective enrichment of trace copper(II) from biological and natural water samples by SPE using ion-imprinted polymer
期刊论文
JOURNAL OF SEPARATION SCIENCE, 2008, 卷号: 31, 期号: 6-7
-
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浏览/下载:4/0
  |  
提交时间:2014/12/05
copper(II)
determination
enrichment
ion-imprinted polymer
SPE
Determination of trace elements in food samples by ICP-AES after preconcentration with p-toluenesulfonylamide immobilized on silica gel and nanometer SiO(2)
期刊论文
MICROCHIMICA ACTA, 2008, 卷号: 160, 期号: 1-2
-
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2014/12/05
trace elements
silica gel
nanometer SiO(2)
ICP-AES
p-toluenesulfonylamide
Determination of trace heavy metals in waters by flame atomic absorption spectrometry after preconcentration with 2,4-dinitrophenyldiazoaminoazobenzene on Amberlite XAD-2
期刊论文
MICROCHIMICA ACTA, 2007, 卷号: 157, 期号: 3-4
-
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  |  
浏览/下载:2/0
  |  
提交时间:2014/12/05
solid-phase extraction
2,4-dinitrophenyldiazoaminoazobenzene
Amberlite XAD-2
natural water
flame atomic absorption spectrometry
Selective determination of trace mercury (II) after preconcentration with 4-(2-pyridylazo)-resorcinol-modified nanometer-sized SiO2 particles from sample solutions
期刊论文
MICROCHIMICA ACTA, 2006, 卷号: 154, 期号: 3-4
-
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2014/12/05
nanometer SiO2
4-(2-pyridylazo)-resorcinol
mercury (II)
preconcentration
determination
ICP-AES determination of trace elements after preconcentrated with p-dimethylaminobenzaldehyde-modified nanometer SiO2 from sample solution
期刊论文
MICROCHEMICAL JOURNAL, 2006, 卷号: 83, 期号: 1
-
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2014/12/05
p-DMABD-modified nanometer SiO2
trace elements
preconcentration
ICP-AES
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