2017
DOI: 10.1002/clen.201500774
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Identification of the Complete Photodegradation Pathway of Ethylenediaminetetra(methylenephosphonic acid) in Aqueous Solution

Abstract: This study aims at investigating the abiotic degradation pathway of ethylenediaminetetra(methylenephosphonic acid) (EDTMP) simulated applying UV irradiation. The degradation of EDTMP and formation of degradation products was determined using LC‐MS and 31P‐NMR. In the laboratory scale experiments, EDTMP was degraded within 30 min and the degradation products, iminodi(methylenephosphonic acid) (IDMP), ethylaminobis(methylenephosphonic acid) (EABMP), and amino(methylenephosphonic acid) (AMPA), were simultaneously… Show more

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Cited by 15 publications
(1 citation statement)
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“…As a rule, this degradation is favored if the phosphonates are present as complexes, e.g., with Fe-ions. The direct photolytic degradation of EDTMP and DTPMP has also been observed to a lesser extent [29,30]. Regarding the degradation by UV/Fe, the following reactivity pattern was found: PBTC > HEDP > ATMP (the applied UV power was insufficient for the degradation of EDTMP and DTPMP) [31].…”
Section: Phosphonate Distribution In Different Layers Of Sedimentmentioning
confidence: 94%
“…As a rule, this degradation is favored if the phosphonates are present as complexes, e.g., with Fe-ions. The direct photolytic degradation of EDTMP and DTPMP has also been observed to a lesser extent [29,30]. Regarding the degradation by UV/Fe, the following reactivity pattern was found: PBTC > HEDP > ATMP (the applied UV power was insufficient for the degradation of EDTMP and DTPMP) [31].…”
Section: Phosphonate Distribution In Different Layers Of Sedimentmentioning
confidence: 94%