Ammonium Sulfate
Ammonium Sulfate - Related Videos
09:50
Electrochemically and Bioelectrochemically Induced Ammonium Recovery
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Cited by 31 •
2015
We demonstrate the extraction of ammonium from an ammonium-rich stream using an electrochemical and a bioelectrochemical system. The reactor setup, operation and data analysis are discussed.
03:15
Silver Staining of Sulfated Glycosaminoglycans: A Staining Method for Visualization of Sulfated Glycosaminoglycans in Polyacrylamide Gels
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2025
In this video, we demonstrate a procedure for combined Alcian blue and silver staining of sulfated glycosaminoglycan oligosaccharide fragments. This combined staining technique significantly amplifies the bands of glycosaminoglycan polymers of different lengths in polyacrylamide gels.
01:29
Sulfate Attack on Concrete
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2024
Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt. Sulfates from sources like soil, groundwater, or industrial effluents...
08:01
Sulfate Separation by Selective Crystallization with a Bis-iminoguanidinium Ligand
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2016
A protocol for in situ aqueous synthesis of a bis(iminoguanidinium) ligand and its utilization in selective separation of sulfate is presented.
12:00
Preparation and Characterization of SDF-1α-Chitosan-Dextran Sulfate Nanoparticles
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Cited by 9 •
2015
The objective of this protocol is to incorporate SDF-1α, a stem cell homing factor, into dextran sulfate-chitosan nanoparticles. The resultant particles are measured for their size and zeta potential, as well as the content, activity, and in vitro release rate of SDF-1α from the nanoparticles.
FAQs
When ammonium sulfate dissolves, ammonium and sulfate ions become available to interact with water and with other dissolved species. These charged particles make the compound useful for examining ionic interactions in aqueous solutions. Their presence also allows chemists to study how changing the concentration of dissolved ions affects solubility and other solution properties.
Higher concentrations reduce the solubility of some proteins in water, causing them to precipitate while other proteins may remain dissolved. This difference supports selective separation rather than indiscriminate removal of every protein. The outcome depends on how each protein responds to the changing ionic environment, making concentration a central variable in purification experiments.
The compound supplies two plant-relevant nutrients: nitrogen from ammonium and sulfur from sulfate. After application, soil microorganisms convert ammonium into forms that plants can use. Because these transformations can influence soil acidity, fertilizer performance depends not only on nutrient content but also on biological activity and the chemical conditions of the soil.
A purification workflow can increase ammonium sulfate concentration to lower the solubility of selected proteins and promote their precipitation. Researchers can use this behavior to separate proteins according to differences in their responses to the salt. The method is therefore useful when a sample contains multiple proteins and selective precipitation can simplify the mixture before further analysis.
Its agricultural value comes from combining nitrogen and sulfur in one fertilizer. Soil microorganisms process the ammonium component into plant-usable forms, while the compound also contributes sulfur. This microbial processing can affect soil acidity, so its use has both a nutrient-supply function and a chemical effect on the growing environment.
In chemistry laboratories, ammonium sulfate provides a system for studying dissolved ions, solubility changes, and selective protein precipitation. It also supports chemical analysis by offering a defined source of ammonium and sulfate in solution. These uses connect fundamental aqueous chemistry with biological laboratory methods, especially experiments that examine how ionic conditions alter dissolved substances.