Ammonium Detection
Ammonium Detection - 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.
01:25
Isolation of Ammonium-Oxidizing Iron Reducers from a Wetland Soil–Derived Enrichment Culture
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2025
Begin with a wetland soil-derived enrichment culture containing bacterial communities.The culture exhibits Feammox activity, ammonium oxidation coupled to ferric iron reduction, indicating the enrichment of a bacterium capable of this metabolic process.Serially dilute the culture using media.Streak the diluted samples onto test agar plates supplemented with ferric iron and ammonium.Use control plates that lack either ferric iron or ammonium, or contain ferric iron with organic carbon instead of...
06:35
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
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Cited by 1 •
2016
This article describes construction of a series of hydrogen-bonding supramolecular clusters in crystals using primary ammonium triphenylacetates, which are recrystallized from non-polar solvents. This selective construction of the supramolecular clusters leads to effective systematical symmetric studies about a correlation between the supramolecular clusters and their components.
04:17
Analysis of Organochlorine Pesticides in a Soil Sample by a Modified QuEChERS Approach Using Ammonium Formate
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Cited by 1 •
2023
The present protocol describes the utilization of ammonium formate for phase partitioning in QuEChERS, together with gas chromatography-mass spectrometry, to successfully determine organochlorine pesticide residues in a soil sample.
09:10
Combination of Adhesive-tape-based Sampling and Fluorescence in situ Hybridization for Rapid Detection of Salmonella on Fresh Produce
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Cited by 17 •
2010
This protocol describes a simple adhesive-tape-based approach for sampling of tomato and other fresh produce surfaces, followed by rapid whole cell detection of Salmonella using fluorescence in situ hybridization (FISH).
FAQs
Raising pH shifts the aqueous equilibrium between ammonium ions and ammonia toward NH3. The released ammonia can then participate in a color-forming measurement, making the species easier to detect with methods designed around that reaction. Alkaline conditions therefore control which chemical form is available to generate the analytical signal.
Color-forming methods measure ammonium through a chemical reaction that produces a detectable signal. Ion-selective electrodes respond directly to ammonium ion activity, while ion chromatography separates ions before measurement. These approaches emphasize different features of the sample: chemical reactivity, electrochemical response, or separation behavior, allowing the method to match the analytical objective.
Ion activity describes the effective chemical presence of ammonium ions in solution, and an ion-selective electrode responds directly to that property. This differs from approaches that first shift ammonium toward ammonia or create a colored product. Measuring activity provides an electrochemical route for assessing ammonium without relying on a color-forming reaction or prior separation.
A basic workflow starts by selecting an approach suited to the sample and the desired result, whether qualitative or quantitative. The analysis then uses a color-forming reaction, direct electrochemical response, or ion separation to produce measurable evidence. Interpreting that signal provides information about ammonium presence or amount in the original material.
Ammonium detection can be applied to drinking water, wastewater, soil, fertilizers, and biological samples. In these settings, the measurement helps characterize chemical composition, estimate nutrient levels, identify pollution, or evaluate treatment performance. The same analytical topic therefore connects environmental monitoring with agricultural, biological, and water-quality investigations.
The result can indicate whether ammonium is present, quantify its level, or help assess changes in a sample. In environmental work, those data support evaluation of pollution and wastewater treatment, while fertilizer and soil analyses address nutrient content. In chemistry, the measurements demonstrate how equilibrium, chemical reactions, ion activity, and separation techniques support analysis.