scholarly journals A Ca2+ MOF combining highly efficient sorption and capability for voltammetric determination of heavy metal ions in aqueous media

2019 ◽  
Vol 7 (25) ◽  
pp. 15432-15443 ◽  
Author(s):  
Anastasia D. Pournara ◽  
Antigoni Margariti ◽  
Georgios D. Tarlas ◽  
Andreas Kourtelaris ◽  
Valeri Petkov ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Electrochemical Sensor ◽  
Heavy Metal Ions ◽  
Aqueous Media ◽  
Voltammetric Determination ◽  
Dual Function ◽  
Two Dimensional ◽  
First Time

The two-dimensional Ca-MOF shows a dual function as a sorbent and an electrochemical sensor for heavy metal ions, which is reported for the first time for a MOF material.

scholarly journals Nickel tungstate–graphene nanocomposite for simultaneous electrochemical detection of heavy metal ions with application to complex aqueous media

RSC Advances ◽  
2017 ◽  
Vol 7 (67) ◽  
pp. 42146-42158 ◽  
Author(s):  
Rudra Kumar ◽  
Thiruvelu Bhuvana ◽  
Ashutosh Sharma
Keyword(s):  
Heavy Metal ◽  
Graphene Oxide ◽  
Transition Metal ◽  
Metal Ions ◽  
Electrochemical Detection ◽  
Heavy Metal Ions ◽  
Aqueous Media ◽  
Reduced Graphene ◽  
Graphene Nanocomposite ◽  
First Time

We show for the first time, a composite of carbon and binary transition metal oxide, in the form of reduced graphene oxide and nickel tungstate (RGO/NiWO4) nanocomposite, is an effective material for electrochemical detection of heavy metal ions.

Multienzyme electrochemical sensor array for determination of heavy metal ions

1999 ◽  
Vol 57 (1-3) ◽  
pp. 213-218 ◽  
Author(s):  
A.L Kukla ◽  
N.I Kanjuk ◽  
N.F Starodub ◽  
Yu.M Shirshov
Keyword(s):  
Heavy Metal ◽  
Metal Ions ◽  
Electrochemical Sensor ◽  
Heavy Metal Ions ◽  
Sensor Array

Graphene oxide-based electrochemical sensor: a platform for ultrasensitive detection of heavy metal ions

RSC Advances ◽  
2014 ◽  
Vol 4 (47) ◽  
pp. 24653-24657 ◽  
Author(s):  
Xuezhong Gong ◽  
Yunlong Bi ◽  
Yihua Zhao ◽  
Guozhen Liu ◽  
Wey Yang Teoh
Keyword(s):  
Heavy Metal ◽  
Graphene Oxide ◽  
Metal Ions ◽  
Electrochemical Sensor ◽  
Electrochemical Detection ◽  
Heavy Metal Ions ◽  
Gold Surface ◽  
Ultrasensitive Detection ◽  
Control Electrode ◽  
Graphene Oxide Sheets

Facile functionalization of graphene oxide sheets on gold surface results in complexation-enhanced electrochemical detection of heavy metal ions, shown here for Pb2+, Cu2+ and Hg2+, with improved detection limits by two orders of magnitude relative to the control electrode.

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