Results 171 to 180 of about 3,638 (183)

Pyrolysis derivatization of humic substances 1. Pyrolysis of fulvic acids in the presence of tetramethylammonium hydroxide

Journal of Analytical and Applied Pyrolysis, 1994
F J Gonzalez-Vila, JOSÉ C Del Rio, T Verdejo   +2 more
exaly  

Evolving Factor Analysis of Synchronous Fluorescence Spectra of Fulvic Acids in the Presence of Aluminum

Applied Spectroscopy, 1994
, Adelio A S C Machado
exaly  

Structural investigation of isolated aquatic fulvic and humic acids in seepage water of waste deposits by pyrolysis-gas chromatography/mass spectrometry

Water Research, 1997
Wilhelm Püttmann
exaly  

Comparison of soil fulvic acids using synchronous scan fluorescence spectroscopy, FTIR, titration and metal complexation kinetics

Science of the Total Environment, 1992
H H Patterson
exaly  

Chemical characteristics of fulvic acids from Arctic surface waters: Microbial contributions and photochemical transformations

Journal of Geophysical Research, 2007
Rose M Cory, Diane M Mcknight, Yu-Ping Chin   +2 more
exaly  

Electron Spin Resonance Analysis of Semiquinone Free Radicals of Aquatic and Soil Fulvic and Humic Acids

Analytical Letters, 1977
James H Weber
exaly  

Xps Analysis of Humic and Fulvic Acids

Analytical Letters, 1986
Jean-Pierre Morizur, Michel Delamar
exaly  

Study of acid-base properties of fulvic acids using fluorescence spectrometry and multivariate curve resolution methods

Analytica Chimica Acta, 1995
E Casassas, I Marques, R Tauler
exaly  

Spectroscopic changes on fulvic acids from a kraft pulp mill effluent caused by sun irradiation

Chemosphere, 2008
Marta Otero, Armando C Duarte, Eduarda B H Santos   +2 more
exaly  

The effect of sample hydration on 13C CPMAS NMR spectra of fulvic acids

Organic Geochemistry, 1991
Patrick G Hatcher
exaly