Zhifeng Tu

Solid phase extraction of trace Hg(II) on silica gel modified with 2-(2-oxoethyl)hydrazine carbothioamide and determination by ICP-AES

Xiaoli Chai, Xijun Chang, Zheng Hu et al. · Talanta · 2010 · 106 citations · Full text

Natural Sciences, Chemical Engineering, Chemistry +12

Chemically modified activated carbon with 1-acylthiosemicarbazide for selective solid-phase extraction and preconcentration of trace Cu(II), Hg(II) and Pb(II) from water samples

Ru Gao, Zheng Hu, Xijun Chang et al. · Journal of Hazardous Materials · 2009 · 102 citations · Full text

Pharmacy, Chemical Engineering, Chemistry +14

Preconcentration of Cu(II), Fe(III) and Pb(II) with 2-((2-aminoethylamino)methyl)phenol-functionalized activated carbon followed by ICP-OES determination

Qun He, Zheng Hu, Yin Jiang et al. · Journal of Hazardous Materials · 2009 · 100 citations · Full text

Pharmacy, Chemical Engineering, Chemistry +7

Selective solid-phase extraction and separation of trace gold, palladium and platinum using activated carbon modified with ethyl-3-(2-aminoethylamino)-2-chlorobut-2-enoate

Zhifeng Tu, Shenci Lu, Xijun Chang et al. · Microchimica Acta · 2011 · 62 citations · Full text

Pharmacy, Chemical Engineering, Chemistry +11

1-(2-Formamidoethyl)-3-phenylurea functionalized activated carbon for selective solid-phase extraction and preconcentration of metal ions

Zhifeng Tu, Qun He, Xijun Chang et al. · Analytica Chimica Acta · 2009 · 56 citations · Full text

Engineering, Chemical Engineering, Chemistry +15