The chemistry of humic and fulvic acids extracted from argentine soils—I. Analytical characteristics

Determination of Acidity in Soil Organic Matter

M. Schnitzer, Umesh Gupta · Soil Science Society of America Journal · 1965 · 286 citations

Agriculture, Chemistry, Soil Sciences +17

The phenolic constituents of humic acid and their relation to the lignin of the plant cover

N.A. Burges, H.M. Hurst, Beryl Walkden · Geochimica et Cosmochimica Acta · 1964 · 138 citations

Agriculture, Botany, Plant Sciences +6

Electron Spin Resonance Spectrometry of Humic Substances

R. Riffaldi, M. Schnitzer · Soil Science Society of America Journal · 1972 · 100 citations

Agriculture, Chemistry, Soil Sciences +6

Humic acid—II

M. V. CHESHIRE, P.A. Cranwell, Christopher P. Falshaw et al. · Tetrahedron · 1967 · 82 citations

Determination of Carbonyl Compounds

James S. Fritz, Shinji Yamamura, E. C. Bradford · Analytical Chemistry · 1959 · 80 citations

Natural Sciences, Chemistry, Analytical Chemistry +7