[1H] and [13C]NMR studies on the importance of aromatic structures in fulvic and humic acids

Humic substances in the environment

1972 • 1,860 citations

Interpretation of carbon-13 NMR spectra

1977 • 681 citations

Interpretation of Carbon-13 NMR Spectra

1988 • 415 citations

13C-NMR- Spektroskopie

1980 • 342 citations

THE CHEMICAL NATURE OF HUMIC ACID

1971 • 172 citations

Investigation of seawater and terrestrial humic substances with carbon-13 and proton nuclear magnetic resonance

1976 • 128 citations

Recent findings on the characterization of humic substances extracted from soils from widely differing climatic zones

1977 • 112 citations

Humic materials from an organic soil: A comparison of extractants and of properties of extracts

1975 • 84 citations

A New Experimental Approach to the Humic Acid Problem

1963 • 84 citations

Possible relationship between soil fulvic acid and polymaleic acid

1976 • 73 citations

FT-C13 nuclear magnetic resonance spectra of natural humic substances

1976 • 68 citations

Chemical structure of humic substances

1977 • 49 citations

The Chemistry of High Molecular Weight Fulvic Acid Fractions

1974 • 45 citations

On permanganate oxidation of humic acids

1977 • 44 citations

PROTON‐DECOUPLED PULSE FOURIER‐TRANSFORM ¹³C MAGNETIC RESONANCE OF SOIL ORGANIC MATTER

1977 • 40 citations

The Low Temperature Oxidation of Humic Substances

1974 • 38 citations

Spectroscopic studies on soil organic fractions i. ir and nmr spectra

1977 • 24 citations

Proton resonance spectra of humic acids from the solum of a Podzol

1977 • 22 citations

Spectroscopic studies on soil organic fractions—II. IR and 1H-NMR spectra of methylated and unmethylated fulvic acids

1978 • 15 citations

1H nmr evidence of exchangeable aromatic protons in fulvic and humic acids

1980 • 15 citations

C-13 nuclear magnetic resonance spectroscopy of humic substances

1977 • 14 citations

Permanganate oxidation of methylated fulvic and humic acids in chloroform

1977 • 11 citations