兰州大学机构库
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Selective solid-phase extraction of trace mercury(II) using a silica gel modified with diethylenetriamine and thiourea 期刊论文
MICROCHIMICA ACTA, 2012, 卷号: 178, 期号: 3-4
Authors:  Jiang, Y;  Zhang, HT;  He, Q(贺群);  Hu, Z;  Chang, XJ(常希俊);  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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Silica gel  Mercury(II)  Diethylenetriamine/thiourea  Solid-phase extraction  ICP-OES  
Preconcentration of trace lead and iron on activated carbon functionalized by o-Anisic acid derivatives prior to their determination in environmental samples 期刊论文
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2012, 卷号: 93
Authors:  Tian, H;  Hu, Z;  He, Q(贺群);  Liu, XL;  Zhang, L;  Chang, XJ(常希俊);  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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Activated carbon  o-Anisic acid  Heavy metal ions  Solid phase extraction  ICP-OES  
Fluorescence determination based on graphene oxide 期刊论文
MATERIALS LETTERS, 2012, 卷号: 76
Authors:  Li, RJ;  Liu, XQ;  Deng, XL;  Zhang, SR;  He, Q(贺群);  Chang, XJ(常希俊);  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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Carbon materials  Oxidation  Luminescence  
N-邻羟基苯基马来酰胺酸-改性活性炭对Cu(Ⅲ)的吸附性能 期刊论文
光谱实验室, 2012, 期号: 2, 页码: 1215-1218
Authors:  邓小丽;  吴琼;  刘许强;  常希俊
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N-邻羟基苯基马来酰胺酸-活性炭  铜(Ⅱ)  固相萃取  电感耦合等离子体-原子发射光谱法  
Highly selective solid-phase extraction of trace Pd(II) by murexide functionalized halloysite nanotubes 期刊论文
ANALYTICA CHIMICA ACTA, 2012, 卷号: 713
Authors:  Li, RJ;  He, Q(贺群);  Hu, Z;  Zhang, SR;  Zhang, LJ;  Chang, XJ(常希俊);  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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Solid-phase extraction  Palladium(II)  Halloysite nanotube  Inductively coupled plasma-optical emission spectrometry  
Simultaneous separation and preconcentration of Cr(III), Cu(II), Cd(II) and Pb(II) from environmental samples prior to inductively coupled plasma optical emission spectrometric determination 期刊论文
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2012, 卷号: 86
Authors:  Zhang, L;  Li, ZH;  Du, XH;  Li, RJ;  Chang, XJ(常希俊);  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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Modified activated carbon  Rhodamine 6G  Metal ions  Inductively coupled plasma optical emission spectrometry  
An ionic liquid-based sorbent for solid phase extraction of trace iron(III) from biological and natural water samples 期刊论文
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, 2012, 卷号: 92, 期号: 11
Authors:  Zhang, LJ;  He, Q(贺群);  Chang, XJ(常希俊);  Jiang, Y;  Hu, X;  Yu, AM;  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Tianshui Rd 222, Lanzhou 730000, Peoples R China.
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silica gel  N-3-(-3-triethoxysilylepropyl)-3-methylimidazolium chloride  solid phase extraction  Iron(X)  ionic liquid  
Solid-phase extraction and preconcentration of trace Pb(II) from water samples with folic acid modified silica gel 期刊论文
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, 2012, 卷号: 92, 期号: 11
Authors:  Wang, QH;  Chang, XJ(常希俊);  Hu, Z;  Li, DD;  Tu, ZF;  Chang, XJ (reprint author), Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China.
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silica gel  folic acid  Pb(II)  solid-phase extraction  inductively coupled plasma atomic emission spectrometry