Titration curves of fulvic acid: the analytical chemistry of a weak acid polyelectrolyte
1970 ◽
Vol 48
(17)
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pp. 2662-2669
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Keyword(s):
The fulvic acid molecular weight fraction studied has two general types of carboxyl groups, one of which is ortho to phenolic —OH groups. The number of each type per gram of fulvic acid has been measured. The acid ionization equilibrium of each type has been calculated as a function of its degree of ionization in 0.1 m KCl at 25.0 °C. In both cases the acid strength decreases with increasing degree of ionization. The sample used shows the potentiometric titration behavior expected of a low molecular weight polyelectrolyte.
1981 ◽
Vol 46
(03)
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pp. 612-616
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Keyword(s):
2015 ◽
Vol 37
(1)
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pp. 55-67
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Keyword(s):
1997 ◽
Vol 70
(5)
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pp. 707-713
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Keyword(s):
2007 ◽
Vol 54
(9)
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pp. 419-423
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Keyword(s):
2015 ◽
Vol 4
(8)
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pp. 945-955
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2016 ◽
Vol 478
(4)
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pp. 1780-1785
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Keyword(s):