1992
DOI: 10.1016/0003-2670(92)80147-y
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Potentiometric study of acid—base properties of humic acid using linear functions for treatment of titration data

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Cited by 55 publications
(25 citation statements)
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“…12,13 Linear and non-linear numerical analysis techniques are commonly used in the treatment of potentiometric data for humic acids, proteins, and chitosan. [14][15][16] The complexity of these equations has evolved along with computers and software and the calculation load.…”
Section: Introductionmentioning
confidence: 99%
“…12,13 Linear and non-linear numerical analysis techniques are commonly used in the treatment of potentiometric data for humic acids, proteins, and chitosan. [14][15][16] The complexity of these equations has evolved along with computers and software and the calculation load.…”
Section: Introductionmentioning
confidence: 99%
“…Also, 50.00 mL aliquots of 30 mg L -1 HA suspensions were titrated in 0.02 ionic strength (NaNO 3 ) using a standard 0.005 mol L -1 NaOH with the same ionic strength. The experimental procedure of the titrations, as well as the data treatment have been described in previous papers [16][17][18] .…”
Section: Acid-base Titrationsmentioning
confidence: 99%
“…The preparation of the standard solutions of metallic cations and sodium hidroxide solutions has already been described in the literature 9,[16][17][18] .…”
Section: Apparatus and Reagentsmentioning
confidence: 99%
“…O tratamento dos dados de titulações potenciométricas ácido base foi realizado por linearização das curvas de titulação pelo método das funções de Gran modificadas, cuja descrição aparece em publicações anteriores 14 . No caso das titulações de complexação, os tratamentos de dados para calibração do eletrodo íon seletivo a Cu(II), cálculo de concentração de Cu(II) livre, [Cu(II)], e complexado, [CuL], também podem ser encontrados em publicações anteriores 11,15,16 .…”
Section: Métodos De Cálculounclassified