Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2020 Feb 28;20(5):1322. doi: 10.3390/s20051322

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Differential pulse voltammetry of 30.0 μg/L of Cd(II) and Pb(II) by different electrodes: the Bi/DSPE, Bi/LC/DSPE, Bi/rGO/DSPE and Bi/LC-rGO/DSPE (deposition time: 240 s; deposition potential: −1.2 V; supporting electrolyte: 0.1 mol/L pH 4.5 acetate buffer solution; Bi(III) concentration: 2 mg/L).