Academic literature on the topic 'Titanium chloride. Solvents'

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Journal articles on the topic "Titanium chloride. Solvents"

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Kantlehner, Willi, Reiner Aichholz, and Martin Karl. "Orthoamide und Iminiumsalze, LXXIV [1]. Umsetzung von N,N,N´,N´-Tetramethyl-chlorformamidiniumchlorid mit Metallen." Zeitschrift für Naturforschung B 67, no. 4 (April 1, 2012): 305–19. http://dx.doi.org/10.1515/znb-2012-0404.

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N,N,N’,N’-Tetramethyl-formamidinium chloride (2a) reacts with elemental sodium in various solvents to give N,N,N’,N’,N’’,N’’-hexamethyl-guanidinium chloride (4a). The reaction of 2a with potassium affords N,N,N’,N’,N’’,N’’,N’’’,N’’’-octamethyl-oxamidinium dichloride (3a). From the reaction of 2a with magnesium in different solvents in general result mixtures of the salts 4a, 3a and N,N,N’,N’-tetramethyl-formamidinium chloride (10a). The composition of these mixtures depends on the solvent and the reaction temperature. Similar results are obtained, when a zinc/copper couple is used instead of magnesium. Very likely from 2a and magnesium or zinc, respectively, organometallic intermediates 11, 12 are formed which could be trapped by aromatic aldehydes and phenylisocyanate. The salt 2a can be reductively coupled by a low-valent titanium reagent to give the oxamidinium salt 3a.
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Wamhoff, Heinrich, Helmut Koch, Rolf Förster, Christiane Herrmann, Sanaa M. S. Atta, M. Refat Mahran, and Mahmoud M. Sidky. "Zum Photoabbau von l-(4-Chlorphenyl)-4,4-dimethyl-3-(1H-1,2,4-triazoll- ylmethyl)-pentan-3-ol (Folicur®) [1] / On the Photodegration of l-(4-Chlorophenyl)-4,4-dimethyl-3-(1H-1,2,4-triazol-l-ylmethyl)-pentan-3-ol (Folicur®) [1]." Zeitschrift für Naturforschung B 49, no. 2 (February 1, 1994): 280–87. http://dx.doi.org/10.1515/znb-1994-0221.

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The photodegradation of the 1,2,4-triazole fungicide Folicur 1 in different organic solvents (benzene, ether, methylene chloride, methanol) and water, in absence and in presence of a singlet oxygen sensitizer (methylene blue) has been studied. The photometabolites formed in organic solvents, have been separated by column chromatography (with isolation of 4 -7 , 13 and 14) and in the case of benzene as solvent as well with the aid of HPLC (isolated: 4 -7 , and five additional products 8-12). Photodegradation of 1 in water leads to the formation of only two photoproducts: 4 and 17 (separated only by HPLC). Identification has been achieved by spectroscopic methods and comparison (of retention times, UV and mass spectra) with authentic samples. Furthermore, the kinetics of the photodegradation of 1 in benzene and water (also after addition of titanium dioxide) has been established by HPLC-UV/VIS-technique. The interpretation of the kinetics allows conclusions towards the photodegradationmechanism, which is discussed in the paper. As expected, the addition of the photocatalyst titanium dioxide leads to a significant acceleration of the photodegradation.
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Suzuki, Hitomi, Hajime Manabe, Rika Enokiya, and Yasuaki Hanazaki. "Preparation and Reactions of Titanium(III) Chloride Solubilized in Inert Organic Solvents." Chemistry Letters 15, no. 8 (August 5, 1986): 1339–40. http://dx.doi.org/10.1246/cl.1986.1339.

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KARIM, Wrya O., Jamil A. JUMA, Khalid M. OMER, Nawzad N. AHMAD, Dana A. KADER, Brwa B. TOFIQ, and Shujahadeen B. AZIZ. "Novel Electropolishing of Pure Metallic Titanium in Choline Chloride-Based Various Organic Solvents." Electrochemistry 89, no. 1 (January 5, 2021): 67–70. http://dx.doi.org/10.5796/electrochemistry.20-00120.

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YOSHIMURA, Chozo, and Kiyoshige MIYAMOTO. "Potentiometric titration of selenic and Telluric acids with titanium(III) chloride in nonaqueous solvents." NIPPON KAGAKU KAISHI, no. 5 (1985): 888–93. http://dx.doi.org/10.1246/nikkashi.1985.888.

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Gau, Han-Mou, Chung-Shin Lee, Chu-Chieh Lin, Ming-Ke Jiang, Yuh-Chou Ho, and Chun-Nan Kuo. "Chemistry of Ti(OiPr)Cl3with Chloride and Oxygen-Containing Ligands: The Roles of Alkoxide and Solvents in the Six-Coordinate Titanium Complexes." Journal of the American Chemical Society 118, no. 12 (January 1996): 2936–41. http://dx.doi.org/10.1021/ja952730q.

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Mao, Xue Hua, and Dai Jun Liu. "Solvent Extraction and Stripping of Tetravalent Titanium from Acidic Chloride Solutions by Trioctylphosphine Oxide." Advanced Materials Research 550-553 (July 2012): 616–21. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.616.

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The solvent extraction and stripping of titanium(Ⅳ) from acidic chloride solutions by trioctylphosphine oxide(TOPO) in kerosene has been investigated. The solvent extraction results demonstrate that the extracted titanium is present as TiCl4.2TOPO. The kinetics of the extraction process is very fast, since the equilibrium is reached in 5 min. In addition, the extraction of titanium (Ⅳ) increases with the total chloride concentration in the aqueous phase, as well as with the extractant concentration in the organic phase. The loading capacity of TOPO for titanium (Ⅳ) is 4.60g/100g TOPO. The stripping results show that when the O/A phase radio changing from 1 to 10, titanium (Ⅳ) is completely stripped from the mental loaded organic phase of TOPO with 1 mol dm-3 hydrochloric acid. Thus titanium (Ⅳ) can be enriched to tenfold concentration by the stripping.
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Giesen, Kai, Ingo Spahn, and Bernd Neumaier. "Thermochromatographic separation of 45Ti and subsequent radiosynthesis of [45Ti]salan." Journal of Radioanalytical and Nuclear Chemistry 326, no. 2 (October 10, 2020): 1281–87. http://dx.doi.org/10.1007/s10967-020-07376-2.

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Abstract Due to its favorable decay properties, the non-standard radionuclide 45Ti is a promising PET isotope for tumor imaging. Additionally, titanium complexes are widely used as anti-tumor agents and 45Ti could be used to study their in vivo distribution and metabolic fate. However, although 45Ti can be obtained using the 45Sc(p,n)45Ti nuclear reaction its facile production is offset by the high oxophilicity and hydrolytic instability of Ti4+ ions in aqueous solutions, which complicate recovery from the irradiated Sc matrix. Most available 45Ti recovery procedures rely on ion exchange chromatography or solvent extraction techniques which are time-consuming, produce large final elution volumes, or, in case of solvent extraction, cannot easily be automated. Thus a more widespread application of 45Ti for PET imaging has been hampered. Here, we describe a novel, solvent-free approach for recovery of 45Ti that involves formation of [45Ti]TiCl4 by heating of an irradiated Sc target in a gas stream of chlorine, followed by thermochromatographic separation of the volatile radiometal chloride from co-produced scandium chloride and trapping of [45Ti]TiCl4 in a glass vial at − 78 °C. The recovery of 45Ti amounted to 76 ± 5% (n = 5) and the radionuclidic purity was determined to be > 99%. After trapping, the [45Ti]TiCl4 could be directly used for 45Ti-radiolabeling, as demonstrated by the successful radiosynthesis of [45Ti][Ti(2,4-salan)].
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Zhu, Zhaowu, Wensheng Zhang, and Chu Yong Cheng. "A literature review of titanium solvent extraction in chloride media." Hydrometallurgy 105, no. 3-4 (January 2011): 304–13. http://dx.doi.org/10.1016/j.hydromet.2010.11.006.

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Ma, Chunlei, Xianghai Guo, and Peng Bai. "Solvent Extraction of Titanium(IV) with Organophosphorus Extractant from Chloride Solutions." Asian Journal of Chemistry 26, no. 8 (2014): 2277–84. http://dx.doi.org/10.14233/ajchem.2014.15697.

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Dissertations / Theses on the topic "Titanium chloride. Solvents"

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Liu, Huaqin. "Etude de l'oligomérisation des alpha-oléfines amorcées par des systèmes bimétalliques à base de dérivés d'un métal de transition (groupe IV B) et de composés organoaluminiques." Paris 6, 1986. http://www.theses.fr/1986PA066087.

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