Results 11 to 20 of about 1,444,424 (305)

Basics of mass spectrometry [PDF]

, 2012
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32166This article summarizes the basic principles of mass spectrometry instrumentation with special emphasis in sample introduction methods, ionization techniques and mass analyzers used in ...
Teixidor Casamitjana, Pilar, Berdié Rabanaque, Lourdes, Casals i Ribes, Isidre, Perona Moreno, Joaquim, Fernández Vidal, Irene, Marimon Corbella, Rosa Maria, Jáuregui Pallarés, Olga   +6 more
core   +5 more sources

Application of atomic spectroscopy for trace element analysis of fruit juices: A review [PDF]

BIO Web of Conferences
Trace elements are crucial for human nutrition, requiring their precise analysis in fruit juices to ensure product quality and assess contamination risks.
Hemachandra Pavithra, Bencs László, Ajtony Zsolt   +2 more
doaj   +1 more source

Effect of Temperatures on Determination of Arsenic in Water by Atomic Fluorescence Spectrometry

Yankuang ceshi, 2019
BACKGROUND The influence of the operating temperature on Hydride Generation-Atomic Fluorescence Spectrometry comes mainly from the hydride reaction and the drift of the instrument.
LIU Jing-long, WU Qiao-li
doaj   +1 more source

Evaluation of Data Quality on the Detection of Heavy Metals in Soils by Atomic Absorption Spectrometry or Atomic Fluorescence Spectrometry and X-ray Fluorescence Spectrometry in Ecological Environment Monitoring

Yankuang ceshi, 2019
BACKGROUND In current ecological environmental monitoring, the standard methods used to determine the total contents of inorganic elements, such as heavy metals in soil, include atomic absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS)
TIAN Zhi-ren, FENG Xue, JIANG Xiao-xu, LI Zong-chao, LI Yu, XIA Xin   +5 more
doaj   +1 more source

Fluorescence characterization of clinically-important bacteria [PDF]

, 2013
Healthcare-associated infections (HCAI/HAI) represent a substantial threat to patient health during hospitalization and incur billions of dollars additional cost for subsequent treatment.
Jan-Peter Muller, Brody, James P, Roberts Tom A., Lewis R Dartnell, Dartnell, Lewis R., Muller, J-P., Muller, J.P., Tom A Roberts, Muller, JP, Moore, G, Roberts, T.A., Dartnell Lewis R., Ginny Moore, Moore, Ginny, Dartnell, LR, Ward, J.M., Muller Jan-Peter, Moore Ginny, Ward, John M., Moore, G., Ward John M., Roberts, Tom A., Ward, JM, Roberts, TA, Dartnell, L.R., John M Ward   +25 more
core   +2 more sources

APPLICATION OF TOTAL-REFLECTION X-RAY FLUORESCENCE SPECTROMETRY (TXRF) TO GEOLOGICAL OBJECTS: EXPERIENCE OF THE TXRF LABORATORY, CENTER FOR GEODYNAMICS AND GEOCHRONOLOGY

Геодинамика и тектонофизика, 2022
Unlike conventional X-ray fluorescence spectrometry, the total-reflection X-ray fluorescence spectrometry is not a widespread and routine method for analyzing solid samples with mineral matrix, but it has a great potential for geochemical, geological ...
A. S. Maltsev, G. V. Pashkova
doaj   +1 more source

The recoverability of fingerprints on paper exposed to elevated temperatures - Part 2: natural fluorescence [PDF]

, 2010
Previous work by the authors [1] investigated the recoverability of fingerprints on paper which had been exposed to elevated temperatures by comparing various chemical enhancement techniques (ninhydrin, 1,8-diazafluoren-9-one (DFO), and physical ...
NicDaeid, N., , Home Office Scientific Development Branch, Sandridge, UK, Bleay, Stephen M., Dominick, Ainsley J., Sears, Vaughn G., Home Office Scientific Development Branch, Sandridge, UK   +5 more
core   +2 more sources

Determination of Manganese Content in Soils and Sediments by X-ray Fluorescence Spectrometry

Yankuang ceshi, 2020
OBJECTIVES Due to the advantages of simple sample preparation, non-destructive determination, and rapid detection, the X-ray fluorescence spectrometry technique has become a robust method for determination of manganese in soil or sediment.
CHEN Chun-fei, HONG Xin, WANG Xiao-fei, SU Rong, LIANG Xiao-xi, HE Yu, LU Qiu, TIAN Yan   +7 more
doaj   +1 more source

Determination of Trace Mercury in Rocks by Dual-channel Atomic Fluorescence Spectrometry and Solid Sampling-Cold Atomic Absorption Spectrometry

Yankuang ceshi, 2021
BACKGROUND The detection of trace mercury in rocks typically provides biased and non-reliable results because of the complex internal unit cell structure, incomplete hot water bath acid hydrolysis extraction, volatilization loss, and contact pollution ...
LIN Jian-qi
doaj   +1 more source

Complementary methodologies for thin film characterization in one tool - a novel instrument for 450 mm wafers [PDF]

, 2013
The scaling down of critical dimensions for the manufacturing of nanoelectronics requires the continuous introduction of new materials. The results of the analysis of thin high-k films made from Al2O3 as reference samples were used at multiple ...
Petrik, P., Fliegauf, R., Roederd, Georg, Holfelder, I., Weser, Jan, Beckhoff, B., Nutsch, Andreas, Hoenicke, P., Petrik, Péter, Weser, J., Nutsch, A., Holfelder, Ina, Röder, G., Fliegauf, Rolf, Beckhoff, Burkhard, Hönicke, Philipp, Roeder, G., Honicke, P.   +17 more
core   +1 more source