Relevant bibliographies by topics / On treatment with ammonia/hydrazine hydrate

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Academic literature on the topic 'On treatment with ammonia/hydrazine hydrate'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "On treatment with ammonia/hydrazine hydrate"

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Hamada, Nagwa M. M., Sohila H. Mancy, and Mohamed A. El Sekily. "A Facile Synthesis, Spectroscopic Identification, and Antimicrobial Activities of Some New Heterocyclic Derivatives from D-erythro-2,3-hexodiuloso-1,4-lactone-2-(o-chlorophenyl hydrazone)-3-oxime." International Journal of Chemistry 16, no. 2 (2024): 62. http://dx.doi.org/10.5539/ijc.v16n2p62.

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A new series of different heterocyclic derivatives was prepared via a facile unimolecular condensation of D-iso ascorbic acid with o-chlorophenyl hydrazine to give D-erythro-2,3-hexodiulosono-1,4-lactone 2-( o-chlorophenyl hydrazine (2). Reactions of (2) with hydroxylamine gave the 2-( o-chlorophenyl hydrazone)-3-oxime (3). On boiling with boiling acetyl chloride, (3) gave 2-o-chlorophenyl-4-(2,3-di-O-acetyl-D-erythro-glyceryl-1-yl)-1,2,3-triazole-5-carboxylic acid-5,1́-lactone (4). In the treatment of (3) with benzoyl chloride in pyridine the same dehydrati
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2

Hamada, Nagwa M. M., Sohila H. Mancy, and Mohamed A. El Sekily. "A Facile Synthesis, Spectroscopic Identification, and Antimicrobial Activities of Some New Heterocyclic Derivatives from D-erythro-2,3-hexodiuloso-1,4-lactone-2-(o-chlorophenyl hydrazone)-3-oxime." International Journal of Chemistry 17, no. 2 (2025): 50. https://doi.org/10.5539/ijc.v17n2p50.

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A new series of different heterocyclic derivatives was prepared via a facile unimolecular condensation of D-iso ascorbic acid with o-chlorophenyl hydrazine to give D-erythro-2,3-hexodiulosono-1,4-lactone 2-( o-chlorophenyl hydrazine (2). Reactions of (2) with hydroxylamine gave the 2-( o-chlorophenyl hydrazone)-3-oxime (3). On boiling with boiling acetyl chloride, (3) gave 2-o-chlorophenyl-4-(2,3-di-O-acetyl-D-erythro-glyceryl-1-yl)-1,2,3-triazole-5-carboxylic acid-5,1́-lactone (4). In the treatment of (3) with benzoyl chloride in pyridine the same dehydrati
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3

Sangeeta, Mehrotra, Pandey Vaishali, Lakhan Ram, and K. Srivastava P. "Synthesis and antibacterial activities of 1-(p-chloropheny1)- 2-amino/hydrazino-4-nitrophenyl/p-chloropheny1)-1,6-dihydro ¬1,3,5-triazine-6-thiones and related thiocarbamides, thiosemicar- bazides and Schiff bases." Journal of Indian Chemical Society Vol. 79, Feb 2002 (2002): 176–78. https://doi.org/10.5281/zenodo.5873172.

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Department of Chemistry, Banaras Hindu University, Varanasi-221 005, India &nbsp;<em>Fax : </em>91-542-368174 <em>Manuscript received 27 November 2000, revised 19 March 2001. accepted 5 June 2001</em> 1-(p-ChlorophenyI)-2-benzylmercapto-4-0-nitrophenyl/p-chloropheny1)-1,6-dihydro-1,3,5-trazine-6-thiones (1) on treatment with am&shy;monia/hydrazine hydrate under suitable conditions afford the corresponding 2-amino/hydrazino derivatives (2, 3). The latter on treatment with aryl isothiocyanates/aryl aldehydes afford the related thiocarbamides/thiosemicarbazides/Schiff bases (4.6) which have been
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4

Ion-Ebrașu, Daniela, Radu Dorin Andrei, Stanică Enache, et al. "Nitrogen Functionalization of CVD Grown Three-Dimensional Graphene Foam for Hydrogen Evolution Reactions in Alkaline Media." Materials 14, no. 17 (2021): 4952. http://dx.doi.org/10.3390/ma14174952.

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Three-dimensional graphene foam (3D-GrFoam) is a highly porous structure and sustained lattice formed by graphene layers with sp2 and sp3 hybridized carbon. In this work, chemical vapor deposition (CVD)—grown 3D-GrFoam was nitrogen-doped and platinum functionalized using hydrothermal treatment with different reducing agents (i.e., urea, hydrazine, ammonia, and dihydrogen hexachloroplatinate (IV) hydrate, respectively). X-ray photoelectron spectroscopy (XPS) survey showed that the most electrochemically active nitrogen-doped sample (GrFoam3N) contained 1.8 at % of N, and it exhibited a 172 mV d
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Nakhutsrishvili, I., Z. Adamia, and G. Kakhniashvili. "Gas Etching of Germanium Surface with Water Vapors Contained in NitrogenContaining Reagents." Journal of Applied Surface Science 2, no. 2 (2024): 01–05. https://doi.org/10.33140/jass.02.02.01.

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The reactions of nitridation of the surface of single-crystallyne germanium in wet ammonia, in hydrazine and hydrazine-hydrate vapors have been studied. In these processes, nitride is formed - a mixture of the α- and β-modifications of germanium nitride Ge3 N4 . In this case, the relative content of the α-phase increases with the degree of humidity of the gas reagent. The formation of nitride is preceded by the process of etching the surface of germanium with water vapor contained in ammonia and hydrazine. The activation energies of this process are ~46 kcal/mol in the case of ammonia, ~53 kca
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BIAN, Z. Q., X. B. XU, J. B. CHU, Z. SUN, Y. W. CHEN, and S. M. HUANG. "STUDY OF CHEMICAL BATH DEPOSITION OF ZnS THIN FILMS WITH SUBSTRATE VIBRATION." Surface Review and Letters 15, no. 06 (2008): 821–27. http://dx.doi.org/10.1142/s0218625x08012098.

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An improved chemical bath deposition (CBD) technique has been provided to prepare zinc sulfide ( ZnS ) thin films on glass substrates deposited at 80–82°C using a mixed aqueous solution of zinc sulfate, ammonium sulfate, thiourea, hydrazine hydrate, and ammonia at the alkaline conditions. Both the traditional magnetic agitation and the substrates vibration by hand frequently were done simultaneously during the deposition. The substrates vibration reduced the formation and residence of gas bubbles on the glass substrates during growth and resulted in growth of clean ZnS thin films with high qua
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7

Lin, Jingjing, Tao Mei, Meijiao Lv, Chang'an Zhang, Zhenfeng Zhao, and Xianbao Wang. "Size-controlled PdO/graphene oxides and their reduction products with high catalytic activity." RSC Adv. 4, no. 56 (2014): 29563–70. http://dx.doi.org/10.1039/c4ra02855d.

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Well-dispersed and size-controlled Pd/RGO with highly active catalysts was synthesized through reduction of PdO/GO with hydrazine hydrate and ammonia. The electrocatalytic activity and the stability of the as-prepared Pd/RGO are much better than those of commercial Pd/C catalysts for methanol electrooxidation and the Suzuki reaction.
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8

Chen, Liang Yan, Chao Fang, and Xi Qu Chen. "Calculation of Complexion in Chemical Precursor for ZnSe as Buffer-Window Layer of CIGS Solar Cell." Advanced Materials Research 1070-1072 (December 2014): 604–7. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.604.

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With ammonia and hydrazine hydrate as complexing agents, ZnSe has been deposited as the buffer-window layer of solar cells from chemical solution, in which the complexion played vital role in controlling the film growth. We calculated various complexion in chemical solution deposited ZnSe precursor with solubility theory. And the main complexion and their concentration with adding of complexing agents and pH value have been investigated. And we found that the main complexion are Zn (NH3)32+ and Zn (NH3)42+, the concentration of which varied with the adding of ammonia and pH value.
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9

Khan, R., PA Konowicz, L. Gardossi, M. Matulova, and S. Degennaro. "Regioselective Deacetylation of Fully Acetylated Mono- and Di-Saccharides With Hydrazine Hydrate." Australian Journal of Chemistry 49, no. 3 (1996): 293. http://dx.doi.org/10.1071/ch9960293.

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Selective deacetylation reactions of the peracetylated reducing disaccharides (1), (5), (9), (15), β-D- glucopyranose (17) and 2-acetamido-2-deoxy-β-D-glucopyranose (19), with 1.2 equiv. Of hydrazine hydrate in acetonitrile, gave predominantly the corresponding heptaacetates (2), (6), (10), (16), the tetraacetate (18) and the triacetate (20), with the free hydroxy group at C1. Reaction of (1) with 1.2 equiv. of hydrazine hydrate in N,N- dimethylformamide also afforded the heptaacetate (2), but in lower yield. When reactions of (1), (5) and (9) were performed with 2.5 equiv. of hydrazine hydrat
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10

Jia, Zhao, and Yan Gong Yang. "Study on the Preparation of Flame-Retardant Polyacrylonitrile Fiber by Surface Modification." Advanced Materials Research 502 (April 2012): 233–37. http://dx.doi.org/10.4028/www.scientific.net/amr.502.233.

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In this article, a new process was used to make flame resistant polyacrylonitrile (PAN) fibers by surface modification. The effects of the treating conditions during the copper ion treatment, aqueous mixture of hydrazine hydrate treatment and high temperature treatment on the mechanical properties and flammability of the resultant flame resistant fibers were studied. The results showed that the optimum reactiong conditions were: the addition of hydrazine hydrate 20mL, drying time 3min, heating temperature 160°C and heating time 180min.Under these conditions, the flame-retardant PAN fiber with
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Book chapters on the topic "On treatment with ammonia/hydrazine hydrate"

1

Choubey, Jyotsna, Jyoti Kant Choudhari, J. Anandkumar, Mukesh Kumar Verma, Tanushree Chaterjee, and Biju Prava Sahariah. "Cell Biology, Biochemistry and Metabolism of Unique Anammox Bacteria." In Ammonia Oxidizing Bacteria. Royal Society of Chemistry, 2023. http://dx.doi.org/10.1039/bk9781837671960-00147.

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Anaerobic ammonium oxidation (anammox) bacteria oxidize ammonium in the absence of oxygen with NO2 as the oxidant instead of oxygen and form dinitrogen (N2) as the end product. Anammox bacteria belong to the phylum Planctomycetes. Anammox bacteria are characterized by a compartmentalized cell architecture featuring a central cell compartment, the “anammoxosome”. This organelle is surrounded by ladderane lipids, which make the organelle nearly impermeable to hydrazine and protons. Anammox bacteria show similarities to both Archaea and Eukarya, making them extremely interesting from a cell biolo
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Conference papers on the topic "On treatment with ammonia/hydrazine hydrate"

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Fukumura, T., and K. Arioka. "Influence of Ethanol Amine Injection on Flow Accelerated Corrosion of PWR Secondary System." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09418.

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Abstract Some pressurized water reactor (PWR) plants have switched to ethanol-amine (ETA) injection to reduce iron transfer in the steam generator (SG). ETA injection is supposed to reduce the rate of flow accelerated corrosion (FAC) by increasing the pH of the secondary system. However, the effect of ETA injection on FAC rate have not been studied systematically. To assess the influence of ETA injection on FAC rate, first the water chemistries in secondary systems were calculated considering thermal decomposition of hydrazine in SG and vapor/liquid distribution of ammonia, ETA and hydrazine i
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Gonzalez, William J., Jacques C. Monette, and Kaj D. Rondum. "Field Experiences Relative to Corrosion Monitoring in Evaluating Oxygen Scavenger Efficacy." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90181.

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Abstract One of the primary objectives in boiler feedwater preparation is the minimization of dissolved oxygen. The presence of even minute amounts of oxygen - in the parts-per-billion range - is corrosive to ferrous metals, manifesting itself quite clearly as localized pitting failures, and leading to the transport of scale-binding impurities in the steam cycle. While it is the function of a properly operating deaerator to remove over 99% of the incoming oxygen in the feedwater, from roughly 8 ppm to below 10 ppb, the necessity for a chemical scavenger to remove the last traces of oxygen is q
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Jiangbo, Liang, Ling Zhang, Jianhui Guo, et al. "Technical Studies on Hazardfree Treatment and Resource Recovery of Hydrazine Hydrate Solid Waste." In 2013 Third International Conference on Intelligent System Design and Engineering Applications (ISDEA). IEEE, 2013. http://dx.doi.org/10.1109/isdea.2012.328.

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