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English: Structure of calcium complex of NTA trianion (NTA: Nitrilotriacetic acid); :CaNTA(H2O)3)anion Deutsch: Struktur des Calcium-NTA-Komplex-Anions (NTA:Nitrilotriessigsäure) Date
Nitrilotriacetic acid (NTA) is the aminopolycarboxylic acid with the formula N(CH 2 CO 2 H) 3. It is a colourless solid. It is a colourless solid. Its conjugate base nitrilotriacetate is used as a chelating agent for Ca 2+ , Co 2+ , Cu 2+ , and Fe 3+ .
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An aminopolycarboxylic acid (sometimes abbreviated APCA) is a chemical compound containing one or more nitrogen atoms connected through carbon atoms to two or more carboxyl groups. Aminopolycarboxylates that have lost acidic protons form strong complexes with metal ions.
diethylenetriamineacetic acid DTMA [1] NH 2 C 2 H 4 NHC 2 H 4 NHCH 2 COOH linear NNNO 1– Co iso-diethylenetriamineacetic acid i-DTMA [1] (NH 2 C 2 H 4) 2 NCH 2 COOH tripodal N N 2NO 1– Co Jäger's N2O2 ligand linear acacen ONNO N 2 O 2: Ni Naphthalocyanine: C 48 H 26 N 8: ring NNNN 714.79 Nitrilotriacetic acid: NTA N(CH 2 CO 2 H) 3 ...
The so far commonly in plant protection applied complexing agents such as EDTA, DTPA (diethylenetriamine pentaacetic acid), EDDHA (ethylenediamine dihydroxyphenylacetic acid) or HBED (N,N'-di(2-hydroxybenzyl)ethylenediamine-N, N'-diacetic acid) are difficult to virtually non-biodegradable. In contrast, IDHA trace element complexes offer an ...
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