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A chelating agent is the main component of some rust removal formulations. Citric acid is used to soften water in soaps and laundry detergents. A common synthetic chelator is EDTA. Phosphonates are also well-known chelating agents. Chelators are used in water treatment programs and specifically in steam engineering.
Like other complexing agents in the aminopolycarboxylic acid class, trisodium N-(1-carboxylatoethyl)iminodiacetate (α-ADA) finds due to its ability to form stable chelate complexes with polyvalent ions (in particular the water hardening agents Ca 2+ and Mg 2+, as well as transition and heavy metal ions such as Fe 3+, Mn 2+, Cu 2+, etc.) use in ...
The most common means for removing water hardness rely on ion-exchange resin or reverse osmosis.Other approaches include precipitation methods, such as fluidized bed pellet softening, [6] and sequestration by the addition of chelating agents.
Chelation therapy (pronounced key-lay-shun) is “only useful for a handful of cases of toxicity, usually from industrial or environmental illness,” such as water contamination, says Keith Roach ...
Solubility in water. ... nitrilotriacetate is used as a chelating agent for Ca 2+, Co 2 ... too low to have a sizeable impact on human health or environmental quality.
It serves as a "builder", industrial jargon for a water softener. In hard water (water that contains high concentrations of Mg 2+ and Ca 2+), detergents are deactivated. Being a highly charged chelating agent, TPP 5− binds to dications tightly and prevents them from interfering with the sulfonate detergent. [3]
Dissolution and chelation of metal elements [ edit ] Organic acids have the ability to dissolve soil minerals , and can destroy silicate minerals and iron and aluminum oxides , [ 8 ] so that metal ions are precipitated and complexed with organic complexing agents through ion exchange, surface absorption, and chelation-reaction mechanisms. [ 9 ]
Tetrasodium iminodisuccinate is a chelating agent, forming complexes of moderate stability (10 −16), which includes (as a pentadentate ligand) alkaline earth and polyvalent heavy metal ions with one molecule of water in an octahedral structure. [7] In 0.25% aqueous solution, a pH of 11.5 results for tetrasodium iminodisuccinate. The salt is ...
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