Results 41 to 50 of about 126,403 (164)
Química Nova, 2005 Photodegradation of the PAHs anthracene, chrysene and benzo[k]fluoranthane on silica gel impregnated with TiO2 and over glass plates holding TiO2 was studied.
Laura Furquim Werneck Xavier +5 more
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Thin-Layer Chromatography Of Red Dyes And Intermediates [PDF]
Научно-технический вестник Брянского государственного университета, 2015 Binary homogeneous azeotropic solvent mixtures for thin-layer chromatography of laser dyes and intermediates (cou-marins, naphthalimides, benzanthrones, phenalenones, γ-pyrone derivatives) are proposed with dielectric constants of 2,4 – 19,3 and boiling ...
Belov S.P. +2 more
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Separation of neutral lipids of shark liver by “dry-column” chromatography
Journal of Lipid Research, 1969 “Dry-column” chromatography in mixed solvents has been successfully used to separate gram quantities of neutral lipids from shark liver oil into simpler fractions.
Adria C. Casey
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Química Nova, 2013 Methanolic transesterification of oils and fats was carried out in a two steps procedure, under basic and acidic catalysis. Palm, soybean, canola, corn, rice, grapeseed, sunflower, peanut, pequi and olive oils, besides tallow and lard were used as ...
Diogo Müller de Oliveira +9 more
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ESTIMATION OF METHIONINE AND LYSINE IN PROTEIN BY THIN-LAYER CHROMATOGRAPHY [PDF]
Iranian Journal of Public Health, 1983 A thin-layer chromatography method has been developed and evaluated for the separation and determination of lysine and methonine in a mixture of amino acids obtained from acid or enzyme hydrolysis of protein.
H.Mohammadiha, P. Mostafavi
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Detection and quantification of phytosterols in yogurt using gas chromatography [PDF]
Bihdāsht-i Mavādd-i Ghaz̠āyī, 2019 Sterols form the largest proportion of the unsaponifiable fraction of lipids. Plant fats and oils contain phytosterol as naturally occurring constituents.
M. Jeddy, J. Khandaghi
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Овощи России, 2018 Qualitative and quantitative evaluation of tomatoes carote-noid composition is considered to be the basis of tomato selection. Among known methods of identification and carotenoid content determination thing layer chromatography (TLC) is characterized by
N. A. Golubkina +5 more
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Thin Layer Chromatography of Marihuana
Journal of AOAC INTERNATIONAL, 1972 The various TLC methods employed in the separation and identification of Cannabis products to date are reviewed. Two solvent systems are recommended for rapid identification of marihuana: multiple development, semiquantitatiom, and wedge and loose-layer chromatographic techniques are discussed.
J M, Parker, H L, Fiske
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Evaluation of Aflatoxin in Gossypium hirsutum (Cottonseeds) and Arachis hypogaea (Peanuts
UMYU Journal of Microbiology Research, 2017 This study was carried out to isolate moulds and detect aflatoxin in maize sold in Katsina Central Market. A total of ten samples of maize were collected from five different vendors in the market and subjected to mould isolation ...
Shamsuddeen, U., Hussaini, M., Kabir, A.
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Acta Chimica Slovenica, 2018 Thin-layer chromatography (TLC) is an often omitted analytical technique due to its lower sensitivity and separation capacity. Even in the era of high-performance liquid chromatography (HPLC), thin-layer chromatography still offers many advantages, such ...
Elena Kupcova +2 more
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