Structural investigations of humic substances by IR-FT, 13C-NMR spectroscopy and comparison with a maleic oligomer of known structure

Carbon-13 Nuclear Magnetic Resonance Spectroscopy

Frank A. L. Anet, George C. Levy · Science · 1973 · 418 citations

Natural Sciences, Chemistry, Physics +7

Infrared spectra of humic acids and related substances

F. J. Stevenson, K. M. Goh · Geochimica et Cosmochimica Acta · 1971 · 390 citations

Natural Sciences, Chemistry, Soil Chemistry +8

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

Analysis of Humic Acids by Solution and Solid‐state Carbon‐13 Nuclear Magnetic Resonance

M. Schnitzer, Caroline M. Preston · Soil Science Society of America Journal · 1986 · 177 citations

Natural Sciences, Biochemistry, Chemistry +13

CARBON-13 NUCLEAR MAGNETIC RESONANCE FOR A HUMIC AND A FULVIC ACID

Caroline M. Preston, Barbara A. Blackwell · Soil Science · 1985 · 77 citations

Natural Sciences, Chemistry, Analytical Chemistry +12