Quantitative desorption of humic substan
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Mohammad-Hussein Sorouradin; Masataka Hiraide; Young-Sang Kim; Hiroshi Kawaguchi
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Article
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1993
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Elsevier Science
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English
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Microgram quantities of hunk or fulvic acid are quantitatively adsorbed on a small amount (ca. 1 ml) of pulverized Amberlite XAD-2 and XAD-8 resins. A sodium hydroxide solution, aqueous ammonia, or a mixture of methanol and aqueous ammonia leads to very low desorption recoveries of the bumic substan