DETERMINATION OF CATIONIC EXCHANGE CAPACITY OF EXTRACTAD HUMIC ACID FROM NAHARKHORAN FOREST GORGAN'S SOIL FOR THE PB+2, CD+2 AND NI+2 BY USING BATCH METHOD

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SAR DASHTI A.R.; MOHAMMADIAN MOGHADAM SAEID

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2007 | Volume:26 | Issue:3 Page(s): 9-17

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Title

DETERMINATION OF CATIONIC EXCHANGE CAPACITY OF EXTRACTAD HUMIC ACID FROM NAHARKHORAN FOREST GORGAN'S SOIL FOR THE PB+2, CD+2 AND NI+2 BY USING BATCH METHOD

Author(s)

SAR DASHTI A.R. | MOHAMMADIAN MOGHADAM SAEID | Issue Writer Certificate

Keywords

FOREST SOILQ3

EXTRACTION OF HUMIC ACIDQ3

FIXATION OF IONS OF LEADQ3

CADMIUM AND NICKELQ3

CATIONIC EXCHANGE CAPACITYQ3

POTENTIOMETERY TITRATIONQ3

Abstract

Humic acid as a natural polymer with hydrogen sites of the carboxyl-benzioc and phenolic groups (cationic exchange location) was extracted from FOREST SOIL by IHSS (International Humic Substance Society) method by using 0.5 M NaOH and 6 M HCI and was then purified in the presence of 0.3 M HF and 0.1 M HCI. The total CATIONIC EXCHANGE CAPACITY and cationic exchange capacities of each functional were determined by the potentiometric titration method in the presence of 0.2 M NaOH in medium aqueous. Fixation of metal ions of lead, CADMIUM AND NICKEL on humic acid was carried out by stablizing ionic strength in different pH by batch method. The amount of fixed metal ions was measured by atomic flame absorption technique. Regarding the low detection limit of method for the metal ions the obtained results are in the following order:Ce (Pb+2)=1.2747 mol/kg MD> Ce(Cd+2) =1. 0989 mol/kg M . D> Ce(Ni+2)=0.967 mol/kg MD. In another study by POTENTIOMETERY TITRATION method of 0.2 M NaOH, the cationic exchange capcity of humic acid to metal ion of lead, CADMIUM AND NICKEL was calculated. These results are in complete accordance with the ones obtained by batch method. From this project indicated that the CATIONIC EXCHANGE CAPACITY of humic acid depended on hydrate radius of cation concentration and strength ionic and pH of solution. Distribution coefficient shows this method could be a useful technique to remove metallic pollutants from the environment.

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APA: Copy

SAR DASHTI, A.R., & MOHAMMADIAN MOGHADAM, SAEID. (2007). DETERMINATION OF CATIONIC EXCHANGE CAPACITY OF EXTRACTAD HUMIC ACID FROM NAHARKHORAN FOREST GORGAN'S SOIL FOR THE PB⁺², CD⁺² AND NI⁺² BY USING BATCH METHOD. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 26(3), 9-17. SID. https://sid.ir/paper/26264/en

Vancouver: Copy

SAR DASHTI A.R., MOHAMMADIAN MOGHADAM SAEID. DETERMINATION OF CATIONIC EXCHANGE CAPACITY OF EXTRACTAD HUMIC ACID FROM NAHARKHORAN FOREST GORGAN'S SOIL FOR THE PB⁺², CD⁺² AND NI⁺² BY USING BATCH METHOD. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2007;26(3):9-17. Available from: https://sid.ir/paper/26264/en

IEEE: Copy

A.R. SAR DASHTI, and SAEID MOHAMMADIAN MOGHADAM, “DETERMINATION OF CATIONIC EXCHANGE CAPACITY OF EXTRACTAD HUMIC ACID FROM NAHARKHORAN FOREST GORGAN'S SOIL FOR THE PB⁺², CD⁺² AND NI⁺² BY USING BATCH METHOD,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 26, no. 3, pp. 9–17, 2007, [Online]. Available: https://sid.ir/paper/26264/en

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