EFFECT OF CHEMICAL ADDITIVES ON THE AVAILABILITY OF HEAVY METALS (PH, CD, ZN) IN SOIL

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AMOUEI A.A.I.; MAHVI A.H.; NADAFI K.

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Journal: JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS) Year:2005 | Volume:7 | Issue:4 (28) Page(s): 26-31

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Title

EFFECT OF CHEMICAL ADDITIVES ON THE AVAILABILITY OF HEAVY METALS (PH, CD, ZN) IN SOIL

Author(s)

AMOUEI A.A.I. | MAHVI A.H. | NADAFI K. | Issue Writer Certificate

Keywords

AVAILABILITYQ2

HEAVY METALSQ2

SOILQ2

CHEMICAL ADDITIVESQ4

Abstract

BACKGROUND AND OBJECTIVE: Hazards of HEAVY METALS on human health and cleaning up contaminated SOILs with HEAVY METALS by microorganisms and plants are very important subject. This study was performed to evaluate the effect of additives on the AVAILABILITY of Pb, Cd and Zn in the SOIL of Amol industrial areas. METHODS: The SOIL after mixing by a concrete mixer was dried in the oven and then grounded and passed through polyethylene sieve with 2mm holes. The SOIL extraction was done by distilled water, Ca Cl2 , KNO3, ammonium citrate and EDTA in 0.25, 0.5, 1,2 and 4 molar and mixed by a shaker in 75 rpm for 10 hours. Finally, concentration of Zn, Pb and Cd as µg/gr were measured by atomic absorption spectrometry.FINDINGS: In this study, concentration of pb, Cd and Zn were 13510±1241 µg/gr, 127±16.50 µg/gr and 3000±1180 µg/gr, respectively. It has been determined that the AVAILABILITY of Zn with different additives and with distilled water was more than the AVAILABILITY of Pb and Cd. Mean concentration of Pb by EDTA, ammonium citrate and potassium nitrate were 2110 µg/gr, 1025 µg/gr and 195 µg/gr, respectively. Mean concentrations of Cd by these additives were 83 µg/gr, 71 µg/gr and 56 µg/gr respectively and mean concentrations of Zn were 7894 µg/gr, 4982 µg/gr and 2744 µg/gr. The best concentration of Zn and Cd was obtained by KNO3 in two morality and by EDTA and ammonium citrate in 1 molarity. Furthermore, the best concentration of Pb was obtained by EDTA and ammonium citrate in one molarity and by KNO3 was obtained in more than one molarity.CONCLUSION: Using CHEMICAL ADDITIVES such as EDTA and ammonium citrate are effective to increase AVAILABILITY of HEAVY METALS.

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APA: Copy

AMOUEI, A.A.I., MAHVI, A.H., & NADAFI, K.. (2005). EFFECT OF CHEMICAL ADDITIVES ON THE AVAILABILITY OF HEAVY METALS (PH, CD, ZN) IN SOIL. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), 7(4 (28)), 26-31. SID. https://sid.ir/paper/73155/en

Vancouver: Copy

AMOUEI A.A.I., MAHVI A.H., NADAFI K.. EFFECT OF CHEMICAL ADDITIVES ON THE AVAILABILITY OF HEAVY METALS (PH, CD, ZN) IN SOIL. JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS)[Internet]. 2005;7(4 (28)):26-31. Available from: https://sid.ir/paper/73155/en

IEEE: Copy

A.A.I. AMOUEI, A.H. MAHVI, and K. NADAFI, “EFFECT OF CHEMICAL ADDITIVES ON THE AVAILABILITY OF HEAVY METALS (PH, CD, ZN) IN SOIL,” JOURNAL OF BABOL UNIVERSITY OF MEDICAL SCIENCES (JBUMS), vol. 7, no. 4 (28), pp. 26–31, 2005, [Online]. Available: https://sid.ir/paper/73155/en

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