【摘要】 汞是剧毒物质,易对水环境造成严重的污染,研发适合现场在线检测汞的技术非常必要。通过2个阶段的固相反应合成了一种全固态离子选择电极,电极成分为AgI,Ag2S和HgI,该电极对二价汞离子具有选择性,线性范围为10-110-5mol/L,斜率为29.3 mV/decade,pH适用范围为02,检测下限为3.31×10-6mol/L,响应时间小于3m in。更多还原

【Abstract】 Mercury is a kind of extremely toxic substance which pollutes water seriously.So it is necessary to research the on-site measurement technique for mercury on-line.A kind of all solid state ion-selective electrode（ISE） is synthesized by two-step solid phase reaction,chemical component of the ISE which is sensitive about divalent mercury ion are AgI,Ag₂S and HgI.The linearity range of the mercury ISE is 10^-110^-5 mol/L with the rate of slope 29.3 mV/decade.Applicability of pH is 0²,the detection limit 3.31×10^-6 mol/L and the response time is less than 3 min.更多还原