Online separation and preconcentration of trace heavy metals with 2,6-dihydroxyphenyl-diazoaminoazobenzene impregnated amberlite XAD-4YONGWEN LIU; YONG GUO; SHUANGMING MENG et al.Mikrochimica acta (1966. Print). 2007, Vol 158, Num 3-4, pp 239-245, issn 0026-3672, 7 p.Article

Cadmium sulfide quantum dots modified by chitosan as fluorescence probe for copper (II) ion determinationSHOUJUN LAI; XIJUN CHANG; CHUAN FU et al.Mikrochimica acta (1966. Print). 2009, Vol 165, Num 1-2, pp 39-44, issn 0026-3672, 6 p.Article

Determination of trace elements in food samples by ICP-AES after preconcentration with p-toluenesulfonylamide immobilized on silica gel and nanometer SiO₂QUN HE; XIJUN CHANG; XINPING HUANG et al.Mikrochimica acta (1966. Print). 2008, Vol 160, Num 1-2, pp 147-152, issn 0026-3672, 6 p.Article

Synthesis and applications of poly(acrylp-aminobenzenesulfonamideamidine-p-aminobenzenesulfonylamide) chelating fiber for pre-concentrating and separating trace Bi(III), Hg(III), Au(III) and Pd(IV) from solution samplesXIJUN CHANG; YUMAN WANG; RAN ZHAO et al.Analytical and bioanalytical chemistry. 2003, Vol 377, Num 4, pp 757-762, 6 p.Article

Efficiency and mechanism of new poly(acryl-phenylamidrazone phenylhydrazide) chelating fiber for adsorbing trace Ga, In, Bi, V and Ti from solutionXIJUN CHANG; XIULAN YANG; XINJIE WEI et al.Analytica chimica acta. 2001, Vol 450, Num 1-2, pp 231-238, issn 0003-2670Article

Study of polymer-metal ions triple complex as materials for adsorption and separationZHIXING SU; XUN LU; XIJUN CHANG et al.Journal of applied polymer science. 1999, Vol 71, Num 5, pp 819-821, issn 0021-8995Article

Synthesis and efficiency of poly(acrylamidrazone-hydrazide) chelating fiber for preconcentrating and separating trace gold and palladium from solutionXIJUN CHANG; GUANGYAO ZHAN; XINGYIN LUO et al.Mikrochimica acta (1966. Print). 1994, Vol 112, Num 5-6, pp 245-251, issn 0026-3672Article

Synthesis of spherical macroporous epoxy-dicyandiamide chelating resin and properties of concentration and separation of trace metal ions from samplesBOLIN GONG; XUEQIANG LI; FENGRUN WANG et al.Talanta (Oxford). 2000, Vol 52, Num 2, pp 217-223, issn 0039-9140Article

Synthesis of poly(acrylamidrazone-hydrazide) chelating fiber and application of enrichment-separation for traces of indium, tin, chromium, vanadium and titanium from solution samplesXIJUN CHANG; ZHIXING SU; XINGYIN LUO et al.Talanta (Oxford). 1993, Vol 40, Num 4, pp 527-532, issn 0039-9140Article

Synthesis, characterization and application of ethylenediamine-modified multiwalled carbon nanotubes for selective solid-phase extraction and preconcentration of metal ionsZHIPENG ZANG; ZHENG HU; ZHENHUA LI et al.Journal of hazardous materials (Print). 2009, Vol 172, Num 2-3, pp 958-963, issn 0304-3894, 6 p.Article

Synthesis and efficiency of poly(acryl-p-nitrophenylamidrazone-p-nitrophenylhydrazide) chelating fibre for pre-concentration and separation of trace concentrations of Bi³⁺, In³⁺, Sn⁴⁺, Ga³⁺ and Ti⁴⁺XIJUN CHANG; YONGTAO GUO; SUI WANG et al.Mikrochimica acta (1966. Print). 2004, Vol 146, Num 1, pp 61-66, issn 0026-3672, 6 p.Article

Metal ion-small molecule complex imprinted polymer membranes : Preparation and separation characteristicsYUNHUI ZHAI; YONGWEN LIU; XIJUN CHANG et al.Reactive & functional polymers. 2008, Vol 68, Num 1, pp 284-291, issn 1381-5148, 8 p.Article

Selective solid-phase extraction of nickel(II) using a surface-imprinted silica gel sorbentNA JIANG; XIJUN CHANG; HONG ZHENG et al.Analytica chimica acta. 2006, Vol 577, Num 2, pp 225-231, issn 0003-2670, 7 p.Article

Efficiency and application of poly(acryldinitrophenylamidrazone-dinitroacrylphenylhydrazine) chelating fiber for pre-concentrating and separating trace Au(III), Ru(III), In(III), Bi(III), Zr(IV), V(V), Ga(III) and Ti(IV) from solution samplesXIJUN CHANG; QINGQIAO SU; DONGYING LIANG et al.Talanta (Oxford). 2002, Vol 57, Num 2, pp 253-261, issn 0039-9140Article

Preparation of p-tert[(dimethylamino)methyl]-calix[4]arene functionalized aminopropylpolysiloxane resin for selective solid-phase extraction and preconcentration of metal ionsRONG NIE; XIJUN CHANG; QUN HE et al.Journal of hazardous materials (Print). 2009, Vol 169, Num 1-3, pp 203-209, issn 0304-3894, 7 p.Article

Selective enrichment of trace copper(II) from biological and natural water samples by SPE using ion-imprinted polymerYUNHUI ZHAI; DONG YANG; XIJUN CHANG et al.Journal of separation science. 2008, Vol 31, Num 6-7, pp 1195-1200, issn 1615-9306, 6 p.Article

Determination of trace heavy metals in waters by flame atomic absorption spectrometry after preconcentration with 2,4-dinitrophenyldiazoaminoazobenzene on Amberlite XAD-2YONGWEN LIU; YONG GUO; SHUANGMING MENG et al.Mikrochimica acta (1966. Print). 2007, Vol 157, Num 3-4, pp 209-214, issn 0026-3672, 6 p.Article

Selective solid-phase extraction of trace cadmium(II) with an ionic imprinted polymer prepared from a dual-ligand monomerYUNHUI ZHAI; YONGWEN LIU; XIJUN CHANG et al.Analytica chimica acta. 2007, Vol 593, Num 1, pp 123-128, issn 0003-2670, 6 p.Article

2-Mercaptobenzothiazole-bonded silica gel as selective adsorbent for preconcentration of gold, platinum and palladium prior to their simultaneous inductively coupled plasma optical emission spectrometric determinationQIAOSHENG PU; ZHIXING SU; ZHIDE HU et al.Journal of analytical atomic spectrometry (Print). 1998, Vol 13, Num 4, pp 249-253, issn 0267-9477Article

Synthesis and efficiency of a polyacrylacylisothiourea chelating fibre for the preconcentration and separation of trace amounts of gold, palladium and ruthenium from solution samplesXIJUN CHANG; ZHIXING SU; GUANGYAO ZHAN et al.Analyst (London. 1877. Print). 1994, Vol 119, Num 7, pp 1445-1449, issn 0003-2654Article

Selective solid-phase extraction of trace mercury(II) using a silica gel modified with diethylenetriamine and thioureaYIN JIANG; HUATANG ZHANG; QUN HE et al.Mikrochimica acta (1966. Print). 2012, Vol 178, Num 3-4, pp 421-428, issn 0026-3672, 8 p.Article

Attapulgite modified with 2-hydroxy-1-naphthaldehyde as selective solid-phase extractant for determination of copper(II) in environmental samples by ICP-OESZHENHUA LI; LI ZHANG; ZHIPENG ZANG et al.Mikrochimica acta (1966. Print). 2010, Vol 171, Num 1-2, pp 161-168, issn 0026-3672, 8 p.Article

Preparation of morin modified nanometer SiO₂ as a sorbent for solid-phase extraction of trace heavy metals from biological and natural water samplesXIAOJUN ZOU; YUEMEI CUI; XIANGBING ZHU et al.Journal of sol-gel science and technology. 2009, Vol 50, Num 1, pp 35-43, issn 0928-0707, 9 p.Article

Efficiency and mechanism of macroporous poly(vinylthiopropionamide) chelating resin for adsorbing and separating noble metal ions and determination by atomic spectrometryZHIXING SU; XIJUN CHANG; KELI XU et al.Analytica chimica acta. 1992, Vol 268, Num 2, pp 323-329, issn 0003-2670Article

Synthesis of a phosphoramidate chelating fibre and its adsorption of trace amounts of gallium and indiumXINGYIN LUO; ZHIXING SU; XIJUN CHANG et al.Analyst (London. 1877. Print). 1991, Vol 116, Num 9, pp 965-968, issn 0003-2654Article