释义 |
chelate /ˈkiːleɪt /noun ChemistryA compound containing a ligand (typically organic) bonded to a central metal atom at two or more points.Stability constants of organic chelates on mineral or metal surfaces are thought to approximate levels measured by solution chemistry....- Organic acids have been shown to increase the solubility of minerals and form strongly bound complexes and chelates with many metal cations.
- Iron chelates also can be used for foliar application.
adjective Zoology(Of an appendage) bearing chelae.The specimen bears three chelate pereiopods, with the first much larger than the others....- The first chelate pereiopods of galatheoids are long and often much longer than the remainder of the pereiopods.
verb [with object] ChemistryForm a chelate with.When EDTA chelates the ions, the solution changes to the blue color of the indicator in alkaline solution....- EDTA chelates divalent cations and thus prevents the formation of the inactive complex.
- It chemically captures, or chelates, excess iron but must be given intravenously or by injection.
Derivatives chelation /kiːˈleɪʃ(ə)n/ noun ...- EDTA chelation was performed to remove the superficial calcium.
- Product manufacturers have attempted to mimic this process by combining minerals with amino acids in the process of chelation.
- This results in the release of acidic pectins and methanol as well as increased cell wall rigidity and calcium chelation.
chelator noun ...- Studies with these ions and chelators confirm the predictions.
- After the second blood sample had been collected, all patients had their iron chelation therapy switched to the other chelator.
- Organic chelators that are thought to be of recent biological origin control copper speciation in seawater.
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