Carboxylic acid content of a fulvic acid determined by potentiometry and aqueous Fourier transform infrared spectrometry
1991 ◽
Vol 255
(1)
◽
pp. 23-30
◽
1995 ◽
Vol 5
(3)
◽
pp. 185-193
◽
2008 ◽
Vol 12
(1)
◽
pp. 37-41
◽
2010 ◽
Vol 1217
(43)
◽
pp. 6733-6741
◽
2000 ◽
Vol 34
(7)
◽
pp. 1337-1345
◽
2015 ◽
Vol 15
(3)
◽
pp. 1110-1117
◽