Relevant bibliographies by topics / EDTA and oxalate

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'EDTA and oxalate'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "EDTA and oxalate"

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Al Sheidi, Ammar S. A., Laurence G. Dyer, and Bogale Tadesse. "Leaching Efficacy of Ethylenediaminetetraacetic Acid (EDTA) to Extract Rare-Earth Elements from Monazite Concentrate." Crystals 14, no. 10 (2024): 829. http://dx.doi.org/10.3390/cryst14100829.

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Alkaline EDTA solution has been previously identified as an effective leaching agent for solubilising rare-earth oxalates. These oxalates are the product of an oxalic acid conversion leach dissolving monazite and redepositing the salt. Pervious work suggested a significant increase in recovery was observed between pH 8 and 10; we have demonstrated that, in an excess of EDTA, this is not the case, and the dissolution is similar. While demonstrating that, at a nominal solid loading of 100 g/L, 0.2 M EDTA solution produced the highest dissolution, elevated solids require an equivalent increase in
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Fuentes, Edwar, Hugo Pinochet, Martine Potin-Gautier, and Ida De Gregori. "Fractionation and Redox Speciation of Antimony in Agricultural Soils by Hydride Generation–Atomic Fluorescence Spectrometry and Stability of Sb(III) and Sb(V) During Extraction with Different Extractant Solutions." Journal of AOAC INTERNATIONAL 87, no. 1 (2004): 60–67. http://dx.doi.org/10.1093/jaoac/87.1.60.

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Abstract This stability of Sb(III) and Sb(V) species was studied during single extraction from soils by water. EDTA, diluted H2SO4 and H3PO4, and oxalic acid/oxalate solutions, with and without ascorbic acid, were used as stabilizing reagent of both Sb species. Antimony redox speciation in soil extracts was performed by selective hydride generation–atomic fluorescence spectrometry. Simulated extraction procedures (without soil) showed that, except in oxalate medium, Sb(III) was oxidized to Sb(V), and this reaction was avoided with ascorbic acid. Recovery studies from a spiked agricultural soil
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Thode, J., C. Amyx, R. Valdes, and G. Kessler. "Effect of tetrasodium EDTA on enzymatic determinations of urinary oxalate." Clinical Chemistry 33, no. 6 (1987): 833–35. http://dx.doi.org/10.1093/clinchem/33.6.833.

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Abstract We studied the effects of pretreating urine samples with tetrasodium EDTA (TEDTA) before measuring urinary oxalate with an enzymatic kit (Sigma). Mean analytical recovery of added oxalic acid was only 49% (SD +/- 13%) when the assay was performed as recommended by the manufacturer, but treating samples with TEDTA improved recoveries (96 +/- 10%). In 20 unselected 24-h urine samples assayed with and without TEDTA treatment, the mean oxalate concentrations were significantly (P less than 0.001) different: 15.6 +/- 8.7 and 12.2 +/- 7.9 mg/L, respectively. TEDTA-treated urine samples stor
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Sushil, Thapa, Pradhananga Mahalaxmi, and Banerjee Janmajoy. "EFFECT OF PRE-TREATMENT ON REDUCTION OF OXALIC ACID ON SPINACH POWDER." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 4, no. 8 (2017): 96–103. https://doi.org/10.5281/zenodo.848122.

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This research focus to see the effect of different pre-treatment on reduction of oxalic acid content of Spinach having the oxalate content as 0.937% on dry basis. Spinach was first dried at temperature of 60<sup>°</sup>C, 70°C and 80°C. Dried samples were rehydrated for 2 hours before processing. Different treatments such as hot water blanching reduce the oxalate content upto 14.72%, NaCl treatment upto 23.79% and EDTA blanching which reduces the oxalate content upto 66.92%. EDTA blanching at 2mMol concentration was significantly superior (p&lt;0.05); was subjected to chemical analysis. Raw sp
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Chalmers, A. H., D. M. Cowley, and B. C. McWhinney. "Stability of ascorbate in urine: relevance to analyses for ascorbate and oxalate." Clinical Chemistry 31, no. 10 (1985): 1703–5. http://dx.doi.org/10.1093/clinchem/31.10.1703.

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Abstract Ascorbate is unstable in urine at room temperature at pH values ranging from 1 to 12. At pH 7 and above, oxalate is generated in amounts directly proportional to the ascorbate concentration. In 12 different urines, adjusted to pH 12 and incubated for 20 h at room temperature, there was a significant correlation between the amount of oxalate formed and the initial ascorbate concentration (r = 0.97, p less than 0.01). The mean (+/- SD) concentration of oxalate (1.32 +/- 0.70 mmol/L) formed during this period approximated the initial ascorbate concentration (1.57 +/- 1.09 mmol/L). Disodi
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Chen, Jian Xin, Zhao Ji Hu, Xue Xia Yuan, Yan Hong Yao, Jun Li, and Kai Yi Zeng. "Effects of Organic Acid Radicals on Degradation of Orange II in UV-Fenton System with Hydroxyl-Fe-Pillared Bentonite as Catalyst." Advanced Materials Research 159 (December 2010): 172–75. http://dx.doi.org/10.4028/www.scientific.net/amr.159.172.

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In this paper, the effects of organic acid radicals on degradation of Orange II in UV-Fenton system with hydroxyl-Fe-pillared bentonite as catalyst were studied in detail. The results showed that the rate constants of UV-Fenton reaction will decrease when the system contains sodium citrate or sodium malonate. While the rate of Orange II degradation in UV-Fenton system could increase up to 33.3% and 41.7% when EDTA and sodium oxalate were present, respectively. As the additional TOC of EDTA is higher than sodium oxalate, adding sodium oxalate is a more promising enhanced method for Orange II de
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IGBOKWE, I. O., and N. M. SANU. "THE STABILITY OF THE PACKED CELL VOLUME OF ANTICOAGULATED BOVINE BLOOD STORED AT REFRIGERATION TEMPERATURE." Nigerian Journal of Animal Production 18 (January 12, 2021): 111–12. http://dx.doi.org/10.51791/njap.v18i.2010.

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Bovine blood samples with ethylene diamine tetra-acetate (EDTA) or oxalate as anticoagulant were stored at refrigeration temperature of 4°C. The packed cell volume (PCV) was determined daily. During storage, the PCV did not vary significantly. Complete haemolysis, suggested by failure of blood samples to separate into cellular and plasma fractions, started occuring in samples on days 28 and 17, and was observed to have occurred in all samples on days 41 and 24 in blood with EDTA and oxalate respectively.
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Gómez-Toribio, Víctor, Ana B. García-Martín, María J. Martínez, Ángel T. Martínez, and Francisco Guillén. "Enhancing the Production of Hydroxyl Radicals by Pleurotus eryngii via Quinone Redox Cycling for Pollutant Removal." Applied and Environmental Microbiology 75, no. 12 (2009): 3954–62. http://dx.doi.org/10.1128/aem.02138-08.

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ABSTRACT The induction of hydroxyl radical (OH) production via quinone redox cycling in white-rot fungi was investigated to improve pollutant degradation. In particular, we examined the influence of 4-methoxybenzaldehyde (anisaldehyde), Mn2+, and oxalate on Pleurotus eryngii OH generation. Our standard quinone redox cycling conditions combined mycelium from laccase-producing cultures with 2,6-dimethoxy-1,4-benzoquinone (DBQ) and Fe3+-EDTA. The main reactions involved in OH production under these conditions have been shown to be (i) DBQ reduction to hydroquinone (DBQH2) by cell-bound dehydrogen
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Johnston, Donald E., and Robert J. Murphy. "Effects of some calcium-chelating agents on the physical properties of acid-set milk gels." Journal of Dairy Research 59, no. 2 (1992): 197–208. http://dx.doi.org/10.1017/s0022029900030442.

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SummaryAcid-set milk gels containing up to 30 mM added hexametaphosphate, oxalate, citrate, EDTA or orthophosphate were prepared using gluconic acid-δ-lactone and their properties investigated. Increases in the apparent shear modulus were observed in the gels containing hexametaphosphate, oxalate, citrate and EDTA. The effect was maximum for hexametaphosphate-containing gels at ˜ 8 mM. Increases were also observed in the force required to break the gels, and for added hexametaphosphate the effect peaked at ˜ 5 niM. The ability of the gels to resist syneresis was investigated by a cut, tip and
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He, Junbin, Rihui Lin, He Li, et al. "Adsorption of EDTA onto calcium oxalate monohydrate." RSC Advances 5, no. 105 (2015): 86795–802. http://dx.doi.org/10.1039/c5ra16498b.

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Dissertations / Theses on the topic "EDTA and oxalate"

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Vital, Ang?lica Belchior. "S?ntese e caracteriza??o de rutenato de b?rio." Universidade Federal do Rio Grande do Norte, 2015. http://repositorio.ufrn.br/handle/123456789/20238.

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Conference papers on the topic "EDTA and oxalate"

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Facchin, ME, AA Cain, GLS Oliveira, et al. "OXALATO URINÁRIO: OTIMIZAÇÃO DOS INSUMOS PARA UM PROCESSO MAIS SUSTENTÁVEL." In Resumos do 55º Congresso Brasileiro de Patologia Clínica/Medicina Laboratorial. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s2.7921.

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Objetivo: O ácido oxálico é derivado da dieta e resultante do metabolismo do ácido ascórbico e da glicina. A administração de altas doses de ácido ascórbico pode levar ao aumento nos níveis de oxalato na urina. A hiperoxalúria pode resultar na formação de cálculos renais, tornando o teste de oxalato urinário uma ferramenta crucial na avaliação de indivíduos com nefrolitíase. Este trabalho concentrou-se na otimização do processo analítico do kit comercial de testes de oxalato urinário, buscando reduzir os custos através do uso de insumos produzidos localmente, aumentando assim a eficiência e o
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You might also be interested in the extended bibliographies on the topic 'EDTA and oxalate' for particular source types:
Journal articles
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