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Related Concept Videos

Corrosion02:49

Corrosion

26.6K
The degradation of metals due to natural electrochemical processes is known as corrosion. Rust formation on iron, tarnishing of silver, and the blue-green patina that develops on copper are examples of corrosion. Corrosion involves the oxidation of metals. Sometimes it is protective, such as the oxidation of copper or aluminum, wherein a protective layer of metal oxide or its derivatives forms on the surface, protecting the underlying metal from further oxidation. In other cases, corrosion is...
26.6K
Ionic Strength: Overview01:12

Ionic Strength: Overview

2.2K
The ionic strength of a solution is a quantitative way of expressing the total electrolyte concentration of a solution. This concept was first introduced in 1921 by two American physical chemists, Gilbert N. Lewis and Merle Randall, while describing the activity coefficient of strong electrolytes. During the calculation of ionic strength (I or μ), all the cations and anions are considered. However, the concentration (c) of an ion with a greater charge number (z) has a greater contribution...
2.2K
Ionic Bonds00:42

Ionic Bonds

123.9K
Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
123.9K
Ferromagnetism01:31

Ferromagnetism

2.7K
Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
2.7K
Properties of Transition Metals02:58

Properties of Transition Metals

28.0K
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.
28.0K
Ionic Strength: Effects on Chemical Equilibria01:19

Ionic Strength: Effects on Chemical Equilibria

2.1K
The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary...
2.1K

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Related Experiment Video

Updated: Nov 2, 2025

Setup of Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry CE-ICP-MS for Quantification of Iron Redox Species FeII, FeIII
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Setup of Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry CE-ICP-MS for Quantification of Iron Redox Species FeII, FeIII

Published on: May 4, 2020

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Iron.

Susan Fairweather-Tait1, Paul Sharp2

  • 1Norwich Medical School, University of East Anglia, Norwich, United Kingdom.

Advances in Food and Nutrition Research
|June 11, 2021
PubMed
Summary
This summary is machine-generated.

Iron deficiency anemia impacts a third of the global population, primarily due to insufficient iron. This review covers iron metabolism, dietary factors, health impacts, and updated recommendations for prevention and treatment.

Keywords:
AbsorptionBioavailabilityBiofortificationBiomarkersDeficiencyDietary recommendationsExcessFortificationFunctionsHomeostasisIronSupplements

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Area of Science:

  • Nutritional Science
  • Hematology
  • Public Health

Background:

  • Iron deficiency anemia (IDA) is a significant global health issue, affecting approximately one-third of the world's population.
  • Half of IDA cases stem directly from iron deficiency, highlighting the critical role of iron status.

Purpose of the Study:

  • To review the latest research on iron metabolism, covering dietary aspects, homeostasis, functions, and biomarkers.
  • To discuss the consequences of iron deficiency and overload, particularly in vulnerable groups.
  • To summarize current dietary recommendations and advancements in food fortification and supplementation.

Main Methods:

  • Synthesis of information from original research articles and systematic reviews on iron metabolism.
  • Compilation of data on dietary iron sources, bioavailability, and absorption.
  • Review of established and emerging biomarkers for assessing iron status.

Main Results:

  • Comprehensive overview of dietary iron bioavailability and factors influencing it.
  • Detailed examination of iron's physiological functions and the mechanisms of iron homeostasis.
  • Identification of key consequences of both iron deficiency and excess, with emphasis on at-risk populations like pregnant women, infants, and the elderly.

Conclusions:

  • Updated understanding of iron metabolism is crucial for addressing global iron deficiency anemia.
  • Current dietary reference values and food-based guidelines provide a framework for optimal iron intake.
  • Recent developments in food fortification and iron supplementation offer promising strategies for prevention and treatment.