Humic Substances. Structural Aspects, and Photophysical, Photochemical and Free Radical Characteristics

Soil Organic Matter.

1978 • 1,863 citations

Humic substances in the environment

1972 • 1,860 citations

Information Provided on Humic Substances by E4/E6 Ratios

1977 • 1,062 citations

Singlet oxygen in natural waters

1977 • 357 citations

Physical and chemical characteristics of aquatic humus

1977 • 263 citations

THE CHEMICAL NATURE OF HUMIC ACID

1971 • 172 citations

Chemical Nature of Organic Color in Water

1966 • 139 citations

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

1976 • 128 citations

Die Huminsäuren

1919 • 118 citations

Electron Paramagnetic Resonance Studies of Stable Free Radicals in Lignins and Humic Acids

1960 • 115 citations

EFFECTS OF pH, REACTION TIME, CHEMICAL REDUCTION AND IRRADIATION ON ESR SPECTRA OF FULVIC ACID

1977 • 106 citations

Molecular weight distribution measurements on humic and fulvic acid fractions from marine clays on the Scotian Shelf

1969 • 105 citations

Electron Spin Resonance Spectrometry of Humic Substances

1972 • 100 citations

Importance of Electrolyte in the Determination of Molecular Weights by ‘Sephadex’ Gel Filtration, with Especial Reference to Humic Acid

1963 • 99 citations

PROCESSES OF HUMUS FORMATION AND TRANSFORMATION IN SOILS OF THE CANADIAN GREAT PLAINS

1979 • 97 citations

Green Humic Acid and its Possible Origin as a Fungal Metabolite

1967 • 88 citations

A New Experimental Approach to the Humic Acid Problem

1963 • 84 citations

Chemistry of Fulvic Acid, a Soil Humic Fraction, and its Relation to Lignin

1971 • 84 citations

Humic Acid—I

1967 • 78 citations

ELECTRON SPIN RESONANCE AS A GUIDE TO THE DEGREE OF HUMIFICATION OF PEATS

1979 • 69 citations

FLUORESCENCE AND GEL FILTRATION OF HUMIC COMPOUNDS

1972 • 63 citations

Spectroscopic investigations of lignin, humic substances and peat

1964 • 60 citations

Chemical investigations on soil humic substances

1964 • 58 citations

SPECTRAL CHARACTERISTICS OF A HUMIC ACID FRACTIONATED WITH RESPECT TO MOLECULAR WEIGHT USING AN AGAR GEL

1970 • 56 citations

Ultraviolet Irradiation of Dilute Fulvic Acid Solutions

1978 • 52 citations

Chemical structure of humic substances

1977 • 49 citations

The chemical nature of the green fraction of P type humic acid

1967 • 47 citations

Chemical characteristics of fractionated humic acids associated with marine sediments

1971 • 47 citations

Humic substances: Part structural aspects

1981 • 46 citations

Nuclear magnetic resonance spectroscopy of humic materials

1978 • 44 citations

On permanganate oxidation of humic acids

1977 • 44 citations

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

1979 • 42 citations

Mechanisms in sensitized photochemistry of environmental chemicals

1979 • 34 citations

THE EFFECT OF LIGHT ON THE ESR SPECTRA OF HUMIC ACIDS

1975 • 30 citations

CHEMILUMINESCENCE DURING PHOTOOXIDATION OF MELANINS AND SOIL HUMIC ACIDS ARISING FROM A SINGLET OXYGEN MECHANISM*

1978 • 29 citations

The role of free radicals in the oxidation and reduction of fulvic acid

1977 • 28 citations

DISTRIBUTION AND CHARACTERISTICS OF ORGANIC MATTER EXTRACTED FROM THE BLACK SOLONETZIC AND BLACK CHERNOZEMIC SOILS OF ALBERTA: THE HUMIC ACID FRACTION

1971 • 28 citations

THE ALKALINE CUPRIC OXIDE OXIDATION OF HUMIC AND FULVIC ACIDS EXTRACTED FROM TROPICAL VOLCANIC SOILS

1976 • 27 citations

A study of the possible interactions between fulvic acids, amino acids and carbohydrates from Tjeukemeer, based on gel filtration at pH 7.0

1978 • 27 citations

Humic substances. Part II†: Photophysical, photochemical and free radical characteristics

1981 • 26 citations

CHEMILUMINESCENCE IN THE PHOTOOXIDATION OF HUMIC ACIDS*

1978 • 24 citations

PERMANGANATE OXIDATION OF HUMIC ACIDS, FULVIC ACIDS, AND HUMINS EXTRACTED FROM Ah HORIZONS OF A BLACK CHERNOZEM, A BLACK SOLOD, AND A BLACK SOLONETZ SOIL

1972 • 23 citations

Quinoid groups in humic acids

1974 • 23 citations

Photo-Induced Free Radical Reactions in the Solutions of Some Tars and Humic Acids.

1963 • 22 citations

THE PERACETIC ACID OXIDATION OF HUMIC SUBSTANCES

1974 • 20 citations

Hyperfine splitting in electron spin resonance spectra of fulvic acid

1977 • 20 citations

Structural Study of Humic Acids by X‐ray, Electron Spin Resonance, and Infrared Spectroscopy

1978 • 18 citations

�tude De Quelques Acides Humiques Sur Gel De Dextrane

1968 • 15 citations

INFRARED EVIDENCE OF QUINONES IN SOIL HUMUS

1972 • 15 citations

Etude de quelques acides humiques sur gel de dextrane. III

1976 • 11 citations

Studies About Humus

1975 • 8 citations

ELECTRON-SPIN RESONANCE OF HUMIC ACIDS FROM CULTIVATED SOILS

1972 • 8 citations

Acidity, Quotient Values and Metal Retention Power of Humic Acids of Varying Molecular Weights

1979 • 6 citations

CHEMICAL DEGRADATION OF HUMIC AND FULVIC ACIDS EXTRACTED FROM MEDITERRANEAN SOILS

1978 • 5 citations

PHYSICO‐CHEMICAL STUDIES ON ENZYME‐DEGRADED FULVIC ACID

1978 • 4 citations

Physico-chemical Studies of the Complexes of Divalent Transitional Metal Ions with Humic and Fulvic Acids of Assam Soil

1972 • 3 citations