Ammonium Salts
Ammonium Salts - Related Videos
04:08
Determining the pH of Salt Solutions
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2020
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...
11:16
Hydrophobic Salt-modified Nafion for Enzyme Immobilization and Stabilization
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Cited by 23 •
2012
This article will describe the procedure for synthesizing a hydrophobically modified Nafion enzyme immobilization membrane and how to immobilize proteins and/or enzymes within the membrane and test their specific activity.
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.
02:02
Responses to Salt Stress
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2020
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. Plant cell cytoplasm has a high solute concentration, which causes water to flow from the soil into the plant due to osmosis. However, excess salt in the surrounding soil increases the soil solute concentration, reducing the plant’s ability to take up water. High levels 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.
FAQs
Ammonia accepts a proton from an acid, creating NH4+ and the acid’s corresponding conjugate-base ion. This proton-transfer step is an acid-base reaction, so the identity of the acid helps determine which anion accompanies the ammonium ion. That relationship provides a basis for comparing different ammonium salts and linking their behavior to the original acid.
The anion is an important determinant of an ammonium salt’s properties. The overview indicates that behavior depends on the anion as well as conditions such as temperature and solvent. Consequently, two salts containing NH4+ may not behave identically, and meaningful comparisons require attention to both the paired ion and the environment in which the salt is studied.
Many ammonium salts dissociate in water into mobile ions. The movement of these ions helps explain why the resulting solution can conduct electricity, while the ammonium-containing system can also influence solution pH. Observing conductivity and pH therefore provides useful information about how the salt behaves after entering an aqueous environment.
Their chemistry links proton transfer with the behavior of nitrogen-containing compounds. Ammonia becomes NH4+ when it accepts a proton, while the resulting salt can serve as a nitrogen source or reagent. Studying this connection helps explain how acid-base reactions, nitrogen-containing species, and ionic compounds are related within chemical systems.
Ammonium salts provide nitrogen in an ionic form, making them useful sources of this element in fertilizers. Their importance in this application follows from the presence of the ammonium ion rather than from a single universal salt property. The specific anion and surrounding conditions can still influence the behavior of the selected fertilizer material.
Ammonium salts can be incorporated into buffer systems, where controlling or stabilizing solution pH is important. Their acid-base behavior gives them relevance to systems that manage proton availability in solution. The useful outcome is a chemical environment with a monitored pH, although the salt’s performance remains dependent on its composition and conditions.
These compounds function as versatile reagents in chemical synthesis and laboratory analysis. In synthesis, their value comes from providing an ammonium-containing ionic component; in analysis, they can support investigations involving acid-base behavior, solubility, or ion exchange. Their usefulness therefore extends beyond simple preparation and includes examining how ions participate in chemical processes.
A laboratory study should consider the salt’s anion, the solvent, and the temperature because these factors can affect its properties. In water, measurements related to pH and electrical conductivity can reveal solution behavior after dissociation. Combining those observations with attention to solubility and ion exchange supports a broader chemical interpretation of the sample.