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Highly selective Hg (II) ion detection based on linear blue-shift of the maximum absorption wavelength of silver nanoparticles
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نویسنده
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wu l.p. ,zhao h.w. ,qin z.h. ,zhao x.y. ,pu w.d.
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منبع
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journal of analytical methods in chemistry - 2012 - دوره : 2012 - شماره : 0
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چکیده
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A new method of detecting hg (ii) ion with silver nanoparticles (agnps) is developed in this contribution. when hg (ii) ions were added into agnps solution,the solution displayed rapid color change and blue shift of the maximum absorption wavelength (),which was in proportion to the hg (ii) ion concentration over the range of 2.0 10(7)6.0 10(6)mol/l,with detection limit (3) of 6.6 10(9)mol/l. under the same experimental conditions,other metal ions did not interfere. thus,we propose a rapid,simple and highly selective method for detecting hg (ii) ion. © 2012 li ping wu et al.
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آدرس
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department of chemistry,third military medical university, China, department of chemistry,third military medical university, China, department of chemistry,third military medical university,chongqing 400038,china,college of chemistry and chemical engineering,moe key laboratory on luminescence and real-time analysis,southwest university, China, department of chemistry,third military medical university, China, department of chemistry,third military medical university,chongqing 400038,china,college of chemistry and chemical engineering,moe key laboratory on luminescence and real-time analysis,southwest university, China
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Authors
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