Results 31 to 40 of about 335,927 (147)
Determination of citrate content in specialty paper based on headspace gas chromatography
Frontiers in ChemistryA method for determining citrate content in specialty paper using headspace gas chromatography (HS-GC) is proposed. This method is based on the reaction between sodium citrate and potassium permanganate under acidic conditions, which generates CO2.
Qiyu He +10 more
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Chromatography of lipids on commercial silica gel loaded filter paper
Journal of Lipid Research, 1965 Commercial silica gel loaded filter paper has been found to give good separations of neutral lipids and phospholipids. Unidimensional or two-dimensional chromatography can be used. Rat liver lipids and C14-algae lipids were studied.
G.V. Marinetti
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Non-Destructive Evaluation of Historical Paper Based on pH Estimation from VOC Emissions
Sensors, 2007 Volatile organic compounds (VOCs) emitted from materials during degradationcan be a valuable source of information. In this work, the emissions of furfural and aceticacid from cellulose were studied using solid-phase micro-extraction (SPME) incombination
Boris Pihlar +4 more
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PY/GC/MS ANALYSES OF HISTORICAL PAPERS
BioResources, 2008 The thermal degradation of cellulose is an important process in several fields such as the paper industry, biomass combustion, fire retardation, etc. Paper consists mostly of cellulose fibres.
Yeghis Keheyan
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Blueprint records of thin-layer chromatograms
Journal of Lipid Research, 1965 A new source of blueprint paper for recording thin-layer chromatograms is reported.
Norman S. Radin
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Bifurcation and Transposition of the Wicking Front of Binary Solutions Infiltrating into Chromatography Paper Associated with Their Evaporation. [PDF]
Langmuir, 2023 Aizawa A, Banno T, Asakura K.
europepmc +1 more source
Two-dimensional chromatography on silica gel-loaded paper for the microanalysis of polar lipids
Journal of Lipid Research, 1966 Two-dimensional chromatography on commercially available silica gel-loaded paper for the microanalysis of polar lipids from various tissues is described. All common phospholipids and their lyso derivatives can be reproducibly separated.
R.E. Wuthier
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Influence of way of finishing furniture segments on amount emissions VOCs
Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2010 The study deals with the influence of way of finishing furniture segments on amount emissions VOCs (volatile organic compounds). The so-called Volatile Organic Compounds (VOC) are among the largest pollution sources of both the internal and external ...
Petr Čech
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Oil & Gas Science and Technology, 2006 L'utilisation de la spectrofluorimétrie comme méthode d'analyse des hydrocarbures polynucléaires a été envisagée sur une fraction polyaromatique d'extraits de vase marine.
Castex H.
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Grasas y Aceites, 1995 This paper is a review in which difficulties for the determination of the fatty acid stereospecific positions in the triacyl-sn-glycerol molecules of natural fats are discussed.
V. Ruiz Gutiérrez, L. J. R. Barrón
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