Results 11 to 20 of about 9,473 (168)
Synthetic utility of 5-amino-6-cyano-2-phenylthieno[2,3-d] oxazole [PDF]
This paper describes the synthesis of 5-amino-6-cyano-2-phenylthieno[ 2,3-d]oxazole and its utilization for the preparation of a range of azo disperse dyes.
Kanetkar V.R., Walavalkar R.R.
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Improvement of analytical method for three azo dyes in processed milk and cheese using HPLC-PDA
This study aims to develop and validate a method for simultaneously measuring three azo dyes (azorubine, brilliant black BN, lithol rubine BK) not designated in Korea.
Se-Jeong Lee +5 more
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A spectroscopic study for the pH-effect on the thermodynamics of formation for colored Azo-dyes prepared from the reaction of paracetamol with two diazotized reagents [PDF]
This research included a spectroscopic study of the effect of the pH function on the thermodynamics of the formation of the two colored Azo-dyes prepared from the interaction of paracetamol with two different diazotized reagents at three acidic media ...
Ammar Y. Hashim +1 more
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Azo-hydrazone tautomerism of aryl azo pyridone dyes [PDF]
In the last three or four decades disperse dyes derived from pyridones (in particular azo pyridone dyes) have gained in importance, and are widely used in various fields.
Mirković Jelena M. +3 more
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Fifteen azo dyes were subjected to microbial degradation by four fungal strains and their mixtures as well as five bacterial strains and their mixtures. The biodegradation efficiency was determined by LC/MS/MS analysis.
Wafaa M. Abd El-Rahim +3 more
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Visible-light degradation of azo dyes by imine-linked covalent organic frameworks
Covalent organic frameworks (COFs) are nanoporous crystalline polymers with densely conjugated structures. This work discovers that imine-linked COFs exhibit remarkable photodegradation efficiency to azo dyes dissolved in water.
Hongbo Xue, Sen Xiong, Kai Mi, Yong Wang
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In this paper, polyaniline/attapulgite (PANI/APT)-supported nanoscale zero-valent iron (nZVI) composites were synthesized by liquid-phase chemical reduction method and used for the removal of two kinds of dyes.
Hui Xu +5 more
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Background: Azo dyes are used in textiles and leather clothing. Human exposure can occur from wearing textiles containing azo dyes. Since the body’s enzymes and microbiome can cleave azo dyes, potentially resulting in mutagenic or carcinogenic ...
Channa Keshava +14 more
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Effect of Reactive Black 5 azo dye on soil processes related to C and N cycling [PDF]
Azo dyes are one of the largest classes of synthetic dyes being used in textile industries. It has been reported that 15–50% of these dyes find their way into wastewater that is often used for irrigation purpose in developing countries. The effect of azo
Khadeeja Rehman +7 more
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The synthesis and application of 3-arylazo-4-phenylthieno[2, 3-c]isothiazole and ethyl 3-arylazo-4-phenylthieno[2, 3-c]isothiazole- 5-carboxylate [PDF]
The paper describes the synthesis of 3-amino-4-phenylthieno_2,3-c_isothiazole and ethyl 3-amino-4-phenylthieno_2,3-c_isothiazole-5-carboxylate and their utilization to prepare a range of azo disperse dyes.
Pawar G.G. +4 more
doaj +3 more sources

