Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Responses to Salt Stress

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

Determining the pH of Salt Solutions

Determining the pH of Salt Solutions

The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution. In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...

Ionic Strength: Effects on Chemical Equilibria

Ionic Strength: Effects on Chemical Equilibria

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 cation—the calcium...

Ionic Strength: Overview

Ionic Strength: Overview

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 to...

Redox Titration: Iodimetry and Iodometry

Redox Titration: Iodimetry and Iodometry

Iodometry and iodimetry are analytical methods used to determine the concentration of oxidizing or reducing agents using iodine. In iodometric titrations, the oxidizing analyte solution is usually acidified and treated with an excess of iodide ions, which generates an equivalent amount of iodine in equilibrium with triiodide. The released iodine is subsequently titrated directly against a standardized reducing agent. As the dilute iodine color becomes pale yellow, a few drops of freshly...

Accelerators

Accelerators

Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Sudanese migrants' pathways to malaria care in Egypt: An in-depth qualitative study.

Travel medicine and infectious disease·2026

Same author

Molecular Signature of Cisplatin Resistance in Ovarian Cancer Identifies Therapeutic Opportunities for Re-sensitization.

Journal of Cancer·2025

Same author

The burden, clinical outcomes and risk factors related to neglected tropical diseases and malaria in migrant populations in the Middle East and North Africa: a systematic review and meta-analyses.

BMJ global health·2025

Same author

Public health in Sudan: priorities, challenges, and pathways to resilience in crisis.

Frontiers in public health·2025

Same author

Primary Tumors of the Brain and Central Nervous System in Adults and Children in Sub-Saharan Africa: Protocol for a Scoping Review.

JMIR research protocols·2025

Same author

Sleep Quality and its Daytime Effects among University Students in the UAE.

Oman medical journal·2024

Search research articles

Related Experiment Video

Updated: Jul 15, 2026

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper (Capsicum annuum L.)

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper (Capsicum annuum L.)

Published on: November 30, 2022

Accelerating progress on salt iodisation in Sudan: time for action.

¹The Micronutrient Initiative, College of Medicine, Jazan University, Jazan, Saudi Arabia. bani1984@gmail.com

|April 7, 2007

Summary

Universal salt iodisation (USI) in Sudan shows limited progress despite a 22% goitre prevalence. Concerted efforts from government, UN, NGOs, and the private sector are crucial for accelerating USI and improving public health.

More Related Videos

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Published on: October 31, 2010

Related Experiment Videos

Last Updated: Jul 15, 2026

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper (Capsicum annuum L.)

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper (Capsicum annuum L.)

Published on: November 30, 2022

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Comprehensive & Cost Effective Laboratory Monitoring of HIV/AIDS: an African Role Model

Published on: October 31, 2010

Area of Science:

Public Health
Nutrition
International Development

Background:

Iodine deficiency disorders (IDDs) remain a significant public health concern globally.
Goitre prevalence in Sudan is 22%, impacting productivity by an estimated 5-25%.

Purpose of the Study:

To assess the progress of universal salt iodisation (USI) in Sudan.
To identify the roles of key stakeholders in USI implementation.
To highlight challenges and propose strategies for accelerating USI in Sudan.

Main Methods:

Analysis of existing literature, particularly from UN agencies.
Distillation of experiences from Sudan's revitalised USI programme.
Review of relevant meeting outcomes and stakeholder engagements.

Main Results:

Limited apparent progress has been made in achieving universal salt iodisation in Sudan.
Multiple actors including the Government of Sudan, UN agencies, international groups, NGOs, and the private sector are involved.
Key issues include the need for increased awareness and funding for USI initiatives.

Conclusions:

Accelerating universal salt iodisation in Sudan requires a collaborative, multi-sectoral approach.
Innovative strategies are needed to enhance awareness of the public health and nutritional benefits of USI.
Increased national and international funding is essential for successful USI programme implementation.