𝔖 Bobbio Scriptorium
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Humic acid nitrogen

✍ Scribed by T. J. Piper; A. M. Posner

Publisher
Springer
Year
1972
Tongue
English
Weight
165 KB
Volume
36
Category
Article
ISSN
0032-079X

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πŸ“œ SIMILAR VOLUMES

Comparison of five humic acids
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The ultimate analyses, u.v.-visible absorption spectra, fluorescence spectra and i.r. spectra of five humic acids have been studied. One was obtained commercially from peat, two from organic-rich soils, one from an estuary and one from a marine sediment. The U.V. spectra were used to compare average

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It has been found that humic acids in aqueous solution, as previously found with their sodium salts, behave as linear polyelectrolytes. A possible explanation in terms of intermolecular associative forces is suggested.

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Small-angle neutron scattering experiments have been made on solutions of humic acid aggregates with an acidity corresponding to pH 5.0 and at 0.1 M ionic strength. We observe power-law decay of the intensity over one decade of the scattering vector, Q, indicating that the aggregates are fractal. We