Results 201 to 210 of about 63,036 (261)

Hypergolic Copper Cluster‐Based Covalent Organic Frameworks

Advanced Science, EarlyView.
Hpergolic cluster‐based covalent organic framework (Cu3‐CB‐COF), assembled from aldehyde‐functionalized carborane monomers and trinuclear copper clusters, demonstrates a strong synergy between its catalytic copper nodes and energetic carborane backbones.
Yu‐Zhou Qiao, Cai Li, Wen‐Yang Jiao, Guoqiang Sun, Xiao‐Fei Liu, Shuang‐Quan Zang   +5 more
wiley   +1 more source

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Thermogravimetric Analysis on a Resonant Microcantilever

Analytical Chemistry, 2022
Thermogravimetric analysis (TGA) is a widely applied classic method for material characterization. However, the existing TGA method has reached its technical ceiling in regard to its sensitivity, efficiency, application scope, and extensibility. With temperature-programming and a picogram (10-12 g) mass resoluble measurement function, an integrated ...
Fanglan Yao, Pengcheng Xu, Hao Jia, Xinyu Li, Haitao Yu, Xinxin Li   +5 more
openaire   +2 more sources

Thermogravimetric Analysis of Dentin

Journal of Dental Research, 1972
Four peaks were observed in the differential primary weight loss with temperatures up to 1,000 C. The first and second peaks correspond to the loss of water and the volatilization of protein. The third peak results from the carbonate. The fourth peak, which occurs at 700 to 800 C, probably is related to the transformation of hydroxyapatite to β ...
J J, Lim, A R, Liboff
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Thermogravimetric analysis of a talc mixture

Thermochimica Acta, 1992
A commercial talc also containing chlorite, dolomite and magnesite was subjected to thermogravimetric analysis to determine its mineral composition. Knowledge of the reactions and the decomposition temperatures, as well as the crystallochemical formulae of the phases present, has permitted the application of a system of equations that has provided ...
PIGA, LUIGI, F. Villieras, J. Yvon
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Thermogravimetric Analysis of Urinary Stones

British Journal of Urology, 1989
Summary— Routine thermogravimetric (TG) analysis of 501 upper urinary calculi from the State of Jammu and Kashmir is described. The technique is simple, rapid and quantitative, and the equipment is easily maintained.
R N, Sharma, I, Shah, S, Gupta, P, Sharma, A A, Beigh   +4 more
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Thermogravimetric analysis of pulps part II: Kinetics for dynamic thermogravimetric analysis

Wood Science and Technology, 1976
This paper surveys the different kinetic schemes that have been employed with dynamic thermogravimetric analysis and discusses their advantages and shortcomings with particular reference to cellulose. It is concluded that the differential method of Friedman [1965] and the integral method of Flynn and Wall [1966] are the best approaches for kinetic ...
R. D. Cardwell, P. Luner
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Thermogravimetric analysis of chitosan

Journal of Applied Polymer Science, 2007
AbstractThe thermal degradation of chitosan at different heating rates B in nitrogen was studied by thermogravimetric analysis. The results indicate that the thermal degradation of chitosan in nitrogen is a one‐step reaction. The degradation temperatures increase with B.
Peng‐Zhi Hong, Si‐Dong Li, Chun‐Yan Ou, Cheng‐Peng Li, Lei Yang, Chao‐Hua Zhang   +5 more
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Thermogravimetric analysis of cellulose

Journal of Polymer Science Part A-1: Polymer Chemistry, 1968
AbstractAn application of TGA technique to elucidate the chain reaction mechanism of cellulose pyrolysis is discussed. The mathematical expressions for isothermal kinetics are modified for use with temperature‐programmed kinetics. It is shown that in temperature‐programmed kinetics, the initial reaction should theoretically be a pseudo zero‐order type,
Pronoy K. Chatterjee, Carl M. Conrad
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Thermogravimetric Analysis of Lubricants

SAE Technical Paper Series, 1983
<div class="htmlview paragraph">A novel thermogravimetric analysis test method has been developed for the evaluation of lubricants. It involves superimposing the thermogravimetric trace of the sample in argon over the trace produced in oxygen atmosphere.
S. M. Hsu, A. L. Cummings
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