Results 31 to 40 of about 757 (137)

Structural characterization of humic substances using thermochemolysis with tetramethylammonium hydroxide [PDF]

open access: yes, 2013
9 pages, 8 figures, 4 tables, 47 references.The focus of this paper centers on a review of the recent development of the TMAH thermochemolysis as a rapid, low-cost, and easily implemented technique for the structural analysis of humic substances ...
Hatcher, Patrick G.   +1 more
core   +1 more source

Abundance of Human Pathogenic Microorganisms in the Halophyte Salicornia europaea L.: Influence of the Chemical Composition of Shoots and Soils

open access: yesAgronomy
Salicornia europaea L. is a halophilic plant species belonging to Chenopodiaceae, whose shoots are used as a vegetable. Since the shoots can be eaten raw, the objective of the present study was to investigate possible controls on the abundance of human ...
Matteo Marangi   +8 more
doaj   +1 more source

Advances in thermochemolysis: targeted applications in analysis of plant biomaterials

open access: yes, 2009
Thermochemolysis (or thermally-assisted hydrolysis/methylation) is a unique in situ technique for analysis of a wide range of biomaterials, in their natural form, from plants material.
Shadkami, Farzad
core  

A study of lignin degradation in leaf and needle litter using 13C-labelled tetramethylammonium hydroxide (TMAH) thermochemolysis: Comparison with CuO oxidation and van Soest methods

open access: yes, 2011
We studied the degradation of lignin in leaf and needle litter of ash, beech, maple, pine and spruce using 13C-labelled tetramethylammonium hydroxide (13C TMAH) thermochemolysis.
Karsten Kalbitz   +7 more
core   +1 more source

Thermochemolysis using TMAAc and TMAH reagents as means to differentiate between free acids and esters

open access: yes, 2013
The reactivity of aromatic and aliphatic esters in on-line thermochemolysis in the presence of methylation reagents was studied using model compounds.
Ropponen, Jarmo   +2 more
core   +1 more source

Study of methylation and ethylation by thermochemolysis of tuberculostearic acid from Mycobacterium tuberculosis culture and sputum

open access: yes, 2010
The direct analysis of TBSA was performed by thermally assisted hydrolysis and alkylation in M.tb culture dilutions and in sputum deposits, using tetramethyl ammonium hydroxide (TMAH) and tetraethylammonium hydroxide (TEAH) as derivatizing agents ...
O'Sullivan, Denise O.   +6 more
core   +4 more sources

Investigation of structural-group composition of pyrolysis and thermochemolysis products of sulfur coals by DRIFT- spectroscopy method

open access: yes, 2014
Establishing the relationship between the structure of natural coals and their solubility in a particular solvent is necessary for the successful development of new technologies of the organic mass conversion of coal into liquid products.
Сафин, В.А.   +4 more
core  

Rapid Determination of Terephthalic Acid in the Hydrothermal Decomposition Product of Poly(ethylene terephthalate) by Thermochemolysis-Gas Chromatography in the Presence of Tetramethylammonium Acetate [PDF]

open access: yes, 2011
Thermochemolysis-gas chromatography in the presence of tetramethylammonium acetate was applied to the direct determination of terephthalic acid (TPA) contained in solid decomposition products obtained from the hydrothermal recycling process of poly ...
Ohsugi, Kei   +9 more
core   +1 more source

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