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2.047 Aktuelle Fachpublikationen zum Thema temperature

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Effect of water, metallic ions, fatty acid and temperature on oxidative stability of 1-octacosanol from sugarcane rind

29.03.2015 | Author(s): Simin Feng , Zisheng Luo , Fangfang Zeng , Songbai Liu , Zia Ullah Khan, Food Chemistry, 2015

Publication date: 1 September 2015 Source:Food Chemistry, Volume 182 Author(s): Simin Feng , Zisheng Luo , Fangfang Zeng , Songbai Liu , Zia Ullah Khan The chemical composition and selected physical parameters of crude 1-octacosanol (1-OC) extracted from sugarcane rind have been ...

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Spectrophotometric methods for the determination of ampicillin by potassium permanganate and 1-chloro-2,4-dinitrobenzene in pharmaceutical preparations

29.03.2015 | Author(s): Aftab Aslam Parwaz Khan , Ayaz Mohd , Shaista Bano , K.S. Siddiqi , Abdullah Mohammed Asiri, Arabian Journal of Chemistry, 2015

Publication date: March 2015 Source:Arabian Journal of Chemistry, Volume 8, Issue 2 Author(s): Aftab Aslam Parwaz Khan , Ayaz Mohd , Shaista Bano , K.S. Siddiqi , Abdullah Mohammed Asiri Two simple and sensitive kinetic methods for the determination of ampicillin (AMP) are described. ...

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The potential use of HNO3-treated clinoptilolite in the preparation of Pt/CeO2-Clinoptilolite nanostructured catalyst used in toluene abatement from waste gas stream at low temperature

29.03.2015 | Author(s): Majid Amereh , Mohammad Haghighi , Pooya Estifaee, Arabian Journal of Chemistry, 2015

Publication date: Available online 10 March 2015 Source:Arabian Journal of Chemistry Author(s): Majid Amereh , Mohammad Haghighi , Pooya Estifaee In this paper, CeO2(30%)/Clinoptilolite was synthesized via HNO3 treatment and co-precipitation methods and then 1%Pt was dispersed over ...

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Preparation and modification of polythiophene–organic montmorillonite composite

26.03.2015 | Ying Ling, Jianping Long, Chun Huang, Polymer Composites, 2015

Polythiophene‐organic montmorillonite (PTP‐OMMT) composites were prepared via Fe3+‐H2O2 catalytic oxidation system at room temperature in water (medium) within the presence of sodium dodecyl benzene sulfonate. The PTP‐OMMT composite made from 2 g/ml solution of OMMT/TP with reacting for 12 h ...

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Oxidations with air by ascorbate-driven quinone redox cycling

25.03.2015 | Gastón Silveira-Dorta; Diego M. Monzón; Fernando P. Crisóstomo; Tomás Martín; Víctor S. Martín; Romen Carrillo, Chemical Communication, 2015

Transition metal-free oxidation with air at room temperature has been achieved by simply using ascorbate (vitamin C) and catalytic amounts of menadione (vitamin K3). A combination of the mentioned vitamins transforms atmospheric oxygen into hydrogen peroxide, which is able to oxidize arylboronic ...

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The electrolytic treatment of synthetic urine using DSA electrodes

22.03.2015 | Author(s): Sondos Dbira , Nasr Bensalah , Pablo Cañizares , Manuel A. Rodrigo , Ahmed Bedoui, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 May 2015 Source:Journal of Electroanalytical Chemistry, Volume 744 Author(s): Sondos Dbira , Nasr Bensalah , Pablo Cañizares , Manuel A. Rodrigo , Ahmed Bedoui In this work, the electrochemical treatment of synthetic urine by anodic oxidation using dimensionally ...

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Development of a capillary electrophoresis method with direct UV detection for the analysis of thiodiglycol and its oxidation products

17.03.2015 | Piia Jõul, Heidi Lees, Merike Vaher, Eeva‐Gerda Kobrin, Mihkel Kaljurand, Maria Kuhtinskaja, ELECTROPHORESIS, 2015

A novel method based on capillary electrophoresis with pre‐column derivatization and direct UV detection for the determination of thiodiglycol, thiodiglycol sulfoxide and thiodiglycol sulfone in water samples was developed. The lack of a UV chromophore of target analytes was overcome by ...

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Nanotextured Pillars of Electrosprayed Bismuth Vanadate for Efficient Photoelectrochemical Water Splitting

17.03.2015 | Hyun Yoon; Mukund G. Mali; Jae Young Choi; Min-woo Kim; Sung Kyu Choi; Hyunwoong Park; Salem S. Al-Deyab; Mark T. Sw ..., Langmuir, 2015

We demonstrate, for the first time, electrostatically sprayed bismuth vanadate (BiVO4) thin films for photoelectrochemical water splitting. Characterization of these films by X-ray diffraction, Raman scattering, and high-resolution scanning electron microscopy analyses revealed the formation of ...

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Materials, Vol. 8, Pages 1108-1123: Corrosion Behavior of Detonation Gun Sprayed Fe-Al Type Intermetallic Coating

13.03.2015 | Senderowski, Cezary ; Chodala, Michal ; Bojar, Zbigniew, Materials, 2015

The detonation gun sprayed Fe-Al type coatings as an alternative for austenitic valve steel, were investigated using two different methods of testing corrosion resistance. High temperature, 10-hour isothermal oxidation experiments at 550, 750, 950 and 1100 °C show differences in the oxidation ...

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Oxidative Degradation of Decabromodiphenyl Ether (BDE 209) by Potassium Permanganate: Reaction Pathways, Kinetics, and Mechanisms Assisted by Density Functional Theory Calculations

13.03.2015 | Jiaqi Shi; Ruijuan Qu; Mingbao Feng; Xinghao Wang; Liansheng Wang; Shaogui Yang; Zunyao Wang, Environmental Science & Technology, 2015

This study found that decabromodiphenyl ether (BDE 209) could be oxidized effectively by potassium permanganate (KMnO4) in sulfuric acid medium. A total of 15 intermediate oxidative products were detected. The reaction pathways were proposed, which primarily included cleavage of the ether bond to ...

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