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Related Concept Videos

Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is formed in...
Electrodeposition01:08

Electrodeposition

Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
Microbial Leaching01:27

Microbial Leaching

Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...
Theory of Metallic Conduction01:17

Theory of Metallic Conduction

The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
Properties of Transition Metals02:58

Properties of Transition Metals

Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.

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Related Experiment Video

Updated: May 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
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Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

[Copper and copper alloys. Technology updates].

V Loconsolo1, M Crespi

  • 1Istituto Italiano del Rame, Milano, Italy. vincenzo.loconsolo@copperalliance.it

Giornale Italiano Di Medicina Del Lavoro Ed Ergonomia
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

Copper and its alloys are safe for human health and the environment. Their natural antibacterial properties help prevent water system pollution and reduce healthcare-associated infections.

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Last Updated: May 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
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An Available Technique for Preparation of New Cast MnCuNiFeZnAl Alloy with Superior Damping Capacity and High Service Temperature
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Published on: September 23, 2018

Area of Science:

  • Environmental science and microbiology
  • Materials science and engineering
  • Public health and epidemiology

Context:

  • Recent scientific research extensively explores the relationship between copper, copper alloys, and human health.
  • Voluntary risk evaluations preceding the EU REACH Directive confirmed copper's safety for health and the environment.
  • Copper's inherent antimicrobial properties offer significant benefits in various applications.

Purpose:

  • To evaluate the safety of copper and copper alloys for human health and the environment.
  • To highlight the antimicrobial efficacy of copper and its alloys in preventing microbial contamination.
  • To underscore the role of copper in mitigating health risks associated with water systems and frequently touched surfaces.

Summary:

  • Copper and its alloys have been scientifically validated as safe for human health and environmental exposure.
  • Copper exhibits potent antibacterial properties, crucial for preventing Legionella contamination in water systems.
  • The use of copper alloys in high-touch surfaces effectively combats the spread of nosocomial infections, with over 350 alloys registered as antimicrobial by the US EPA.

Impact:

  • Confirms the safety of copper and copper alloys, supporting their continued use in consumer and medical products.
  • Demonstrates copper's vital role in enhancing public health by preventing waterborne pathogens and hospital-acquired infections.
  • Provides evidence for the efficacy of copper-based materials in infection control strategies and environmental hygiene.