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see chelating agentschelating agents
. Certain organic compounds are capable of forming coordinate bonds (see chemical bond) with metals through two or more atoms of the organic compound; such organic compounds are called chelating agents.
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(organic chemistry)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The samples were fixed in buffered formaldehyde, thereafter decalcified with 0.7 M ethylenediamine tetraacetic acid (EDTA) and dehydrated with increasing concentrations of ethanol.
EDTA (Ethylenediamine tetraacetic acid) was purchased from EMD Chemicals (Gibbstown, NJ, USA).
In addition, factors, like DTPA, EDTA (chelating agents' diethylenetriamine pentaacetic acid and ethylenediamine tetraacetic acid) in detergents, such as soaps, powders, and the like, increase the heavy-metal solubility and accumulation in soil [28].
Using four different chelating agents, such as ethylenediamine tetraacetic acid (EDTA), oxyethylenenitrilo tetraacetic acid (EGTA), trans-1, 2diaminicyclohexane-N, N, N', N'-tetraacetic acid (CDTA) and diethylenetriaminepentaacetic acid (DTPA), Van Engelen et al.
In addition, the PO activity was inhibited by sodium sulfite, ascorbic acid, sodium diethyldithiocarbamate (DETC), cysteine, citric acid, and ethylenediamine tetraacetic acid disodium (EDTA).
The product contains the amino acid EDTA (ethylenediamine tetraacetic acid), a chelating agent that binds divalent and trivalent metal ions, which are then excreted in the urine.
Butylated hydroxyl anisole (BHA), 1,1-diphenyl-2-picrylhydrazyl (DPPH), thiobarbituric acid (TBA), bovine serum albumin (BSA) and ethylenediamine tetraacetic acid (EDTA) were purchased from M/s Sigma Chemicals Co.
Chromium-51 ethylenediamine tetraacetic acid glomerular fitration rate: a better predictor than glomarular filtration rate calculated by the Cockroft--Galut formula for renal involvement in systemic lupus erythematosus patients.

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