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Relevant bibliographies by topics / 1-(2-Thiazolylazo)-2-naphthol

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Academic literature on the topic '1-(2-Thiazolylazo)-2-naphthol'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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Journal articles on the topic "1-(2-Thiazolylazo)-2-naphthol"

1

Gaokar, U. G., and M. C. Eshwar. "Rapid spectrophotometric determination of cerium(III) with 4-(2-thiazolylazo)resorcinol and 1-(2-thiazolylazo)-2-naphthol." Analyst 111, no. 12 (1986): 1393. http://dx.doi.org/10.1039/an9861101393.

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2

ALOthman, Z. A., M. A. Habila, S. M. Alfadul, E. Yilmaz, and M. Soylak. "A green, novel and simple microprecipitation technique for separation and preconcentration of cadmium with 1-(2-thiazolylazo)-2-naphthol in food samples and determination by microsampling flame atomic absorption spectrometry." Analytical Methods 8, no. 17 (2016): 3545–49. http://dx.doi.org/10.1039/c5ay03323c.

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3

Sharma, C. D., and M. C. Eshwar. "Rapid spectrophotometric determination of thorium(IV) with 1-(2′-thiazolylazo)-2-naphthol." Journal of Radioanalytical and Nuclear Chemistry Articles 91, no. 2 (September 1985): 323–28. http://dx.doi.org/10.1007/bf02061035.

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4

Eshwar, M. C., and C. D. Sharma. "Rapid spectrophotometric determination of vanadium(V) with 1-(2′-thiazolylazo)-2-naphthol." Microchemical Journal 35, no. 1 (February 1987): 27–29. http://dx.doi.org/10.1016/0026-265x(87)90196-2.

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5

Kalyanaraman, Srinivasan, Atsuko Sugiyama, and Tsutomu Fukasawa. "Extraction-spectrophotometric determination of zirconium or hafnium with 1-(2-thiazolylazo)-2-naphthol." Analyst 110, no. 2 (1985): 213. http://dx.doi.org/10.1039/an9851000213.

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6

Ferreira, Sérgio L. C., and Rita M. W. Nano. "Use of 1-(2-thiazolylazo) 2-naphthol in rapid determination of iron in geological matrices." Talanta 41, no. 11 (November 1994): 1937–41. http://dx.doi.org/10.1016/0039-9140(94)00152-9.

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7

Pooley, Grace M., Mohammad A. Adel-Hadadi, Weixing Li, Travis C. Dietz, and Aaron Barkatt. "Silane coupling and mordanting as attachment techniques for pyridylazo and thiazolylazo ligands in the synthesis of adsorbents for uranium in seawater." Adsorption Science & Technology 36, no. 3-4 (January 30, 2018): 1144–59. http://dx.doi.org/10.1177/0263617418755170.

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Activated carbon adsorbents modified with azo compounds (4-(2-pyridylazo)resorcinol, 1-(2-pyridylazo)-2-naphthol, 4-(2-thiazolylazo)resorcinol), or with allyl and vinylbenzyl derivatives of 4-(2-thiazolylazo)resorcinol, were observed to be highly effective in removing uranium from seawater and providing high loadings. Adsorbents consisting of azo compounds attached to fiber fabrics were prepared using silane coupling to attach azo reagents to silica fibers or mordanting agents such as tannic acid or aluminum acetate to attach them to cellulose fibers. Loadings of 15–45 mg U g−1 adsorbent were obtained. Scanning electron microscopy/energy dispersive X-ray spectroscopy measurements confirmed the presence of high concentrations of uranium on the surface of the silica-based and cellulose-based fibers.

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8

Makrlik, Emanuel, and Petr Vaňura. "Contribution to the termodynamics of 1-(2-thiazolylazo)-2-naphthol in the water-nitrobenzene extraction system." Journal of the Serbian Chemical Society 65, no. 8 (2000): 581–85. http://dx.doi.org/10.2298/jsc0008581m.

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General relations among thermodynamic parameters characterizing chemical equilibria including species ?2?+, HA, H+ and A- in both phases of a two-phase water-nitrobenzene extraction system have been derived. From the extraction measurements, the equilibrium distribution constant of electroneutral 1-(2-thiazolylazo)-2-naphthol (TAN, HA) between the nitrobenzene and aqueous phases has been determined: log ATD(HA) = 3.90?0.02. By using this value and further known constants and applying the mentioned relations, the following values of dissociation constants of TAN in nitrobenzene saturated with water have been calculated for a temperature of 25?C: pKdnb(H2A+) = -log Kdnb(H2A+) = 4.9 and pKdnb(HA) = -log Kdnb(HA) = 16.5.

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9

Zamani, Hassan Ali, Mehdi Nekoei, Majid Mohammadhosseini, and Mohammad Reza Ganjali,. "Construction of Tm3+-PVC membrane sensor based on 1-(2-thiazolylazo)-2-naphthol as sensing material." Materials Science and Engineering: C 30, no. 3 (April 2010): 480–83. http://dx.doi.org/10.1016/j.msec.2010.01.007.

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10

Rathaiah, Gogineni V., and Muppalla C. Eshwar. "Rapid Spectrophotometric Determination of Chromium(III) with 1-(2-Thiazolylazo)-2-naphthol in Presence of Surfactant." Bulletin of the Chemical Society of Japan 58, no. 8 (August 1985): 2447–48. http://dx.doi.org/10.1246/bcsj.58.2447.

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Dissertations / Theses on the topic "1-(2-Thiazolylazo)-2-naphthol"

1

Goodwin, Wayne E. "Preconcentration neutron activation analysis of trace elements with 1-(2-thiazolylazo)-2-naphthol using reversed-phase extraction chromatography." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24741.pdf.

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2

Ramella, Jéssica Correia. "Comparação das metodologias de extração no ponto nuvem e extração em fase sólida para a determinação de cádmio em amostras de águas." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/64/64135/tde-10122009-151257/.

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Apresenta-se a comparação de duas metodologias para pré-concentração e determinação de Cd em amostras de águas estuarinas e água de mar. As metodologias comparadas foram a extração líquido-líquido no ponto nuvem e a extração por retenção dos analitos em fase sólida. Em ambos os métodos houve necessidade de formação de complexos de Cd previamente à extração. Dois agentes complexantes foram testados o O-O dietilditiofosfato (DDTP), e 1-(2- tiazolilazo)-2-naftol (TAN). A extração no ponto nuvem foi realizada utilizando o surfactante não iônico octil fenoxipolietoxietanol (Triton X-114) que à temperatura de \'40 graus\'C forma uma fase micelar viscosa de volume reduzido. Após separação das micelas, estas foram dissolvidas em solução de ácido nítrico facilitando a análise por ICP OES. A pré-concentração em fase sólida por retenção dos íons complexados foi realizada colocando-se uma coluna de Amberlite XAD 4 em sistema em fluxo. Foram ajustadas as vazões de carregamento da coluna e eluição de forma a aumentar os fatores de pré-concentração. Os volumes das soluções finais foram de 2 mL de forma a obter resultados em triplicata na análise por ICP OES. A quantificação foi efetuada pelo método das adições de padrão. Os dois procedimentos foram comparados considerando as eficiências relativas de pré-concentração, a facilidade para efetuar os procedimentos e a percentagem de recuperação das medidas
Two methodologies for determination of Cd in estuarine and seawater samples were studied. The methodologies for pre-concentration of analytes by surfactant-mediated cloud point extraction and solid phase retention in a resin column were compared. In both cases the prior formation of Cd ions complexes with O,O-diethyldithiophosphate (DDTP) and 1-(2-thiazolylazo)-2-naphtol (TAN) was carried out. The Cloud point extraction was attained with the non ionic surfactant ctylphenoxypolyethoxyethanol (Triton X-114) at \'40 graus\'C . The reduced volume of surfactant micelles was easily separated and dissolved using the solution containing nitric acid which facilitate the analysis by ICP OES. The solid phase pre-concentration was performed by retention of the complexed ions in the Amberlite XAD 4 resin column in a flow scheme. The flow-rates for sample loading and elution were adjusted to increase the preconcentration factor. The final volumes collected of 2 mL were further analyzed in triplicate by ICP OES. Quantification was performed by the standard addition method. Both pre-concentration procedures were compared considering the relative efficiencies, the complexity of procedures and recovery percent of results

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