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Acid-base characterization of molecular weight fractionated humic acid

✍ Scribed by Masami Fukushima; Shunitz Tanaka; Hiroshi Nakamura; Saburo Ito

Book ID
116069791
Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
605 KB
Volume
43
Category
Article
ISSN
0039-9140

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The present investigation was initiated to study molecular weight fractionation of humic compounds isolated from surface samples of an Ultisol (Red Yellow Podzolic soil) and a Spodosol (Podzol), using fine (mol. wt. cutoff 3500) and coarse (mol. wt. cutoff 12000) dialysis membranes and sephadex gel