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Review article. Adverse hematological effects of hexavalent chromium: an overview

dichromate on haematological parameters in female and male Wistar albino rats. Ass Univ Bull Environ Res 12: 87-99. Afolaranmi GA, Grant MH( 2013). The eff ect of ascorbic acid on the distribution of soluble Cr and Co ions in the blood and organs of rats. J Appl Toxicol 33(3): 220-6. Ahsan MM, Shakoori FR , Shakoori AR. (2006). Biochemical and Haematological Abnormalities in Factory Workers Exposed to Hexavalent Chromium in Tanneries of Kasur District. Pakistan J Zool 38(3): 239-253. Alpoim MC, Geraldes CF, Oliveira CR, Lima

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Comparison of Hexavalent Chromium Leaching Levels of Zeoliteand Slag-based Concretes

properties of concrete containing zeolite as a highly reactive natural pozzolan. Construction and Building Materials.35, 1023-1033. DOI: 10.1016/j.conbuildmat.2012.04.038. [6] Qasrawi H. (2014). The use of steel slag aggregate to enhance the mechanical properties of recycled aggregate concrete and retain the environment. Construction and Building Materials. 54, 298-304. DOI: 10.1016/j.conbuildmat.2013.12.063. [7] Dokou Z., Karagiorgi V., Karatzas G. P., Nikolaidis N. P. & Kalogerakis N. (2016). Large scale groundwater flow and hexavalent chromium transport

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Study of Wastewaters Contaminated with Heavy Metals in Bioethanol Production

–708. 4. Dehghani, M. H., Sanaei, D., Ali, I., Bhatnagar, A. 2016. Removal of chromium(VI) from aqueous solution using treated waste newspaper as a low-cost adsorbent: Kinetic modeling and isotherm studies. J. Mol. Liq. , vol. 215 , pp. 671–679. 5. FOCARDI, S., PEPI, M., FOCARDI, S. E. 2013. Microbial Reduction of Hexavalent Chromium as a Mechanism of Detoxification and Possible Bioremediation Applications. Biodegrad. - Life Sci. , No. Iii. 6. LEITA, L., MARGON, A., SINICCO, T., MONDINI, C. 2011. Glucose promotes the reduction of hexavalent chromium in

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Removal of Hexavalent Chromium from Aqueous Solution by the Pod of Acacia gerrardii

LITERATURES CITED 1. Murugavelh, S. & Mohanty, K.K. (2012). Bioreduction of hexavalent chromium by free cells and cell free extracts of Halomonas sp . Chem. Eng. J. 203, 415–422. DOI: 10.1016/j.cej.2012.07.069. 2. Han, X., Wong, Y.S., Wong, M.H. & Tam, N.F.Y. (2007). Biosorption and bioreduction of Cr(VI) by a microalgal isolate, Chlorella miniata . J. Hazard. Mater. 146 (1–2), 65–72. DOI: 10.1016/j.jhazmat.2006.11.053. 3. Saha, B. & Orvig, C. (2010). Biosorbents for hexavalent chromium elimination from industrial and municipal effluents

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Iron(II) modified natural zeolites for hexavalent chromium removal from contaminated water

, Chemosphere , 68, pp. 1861–1866. Liguori, B., Cassese, A. & Colell, A. (2006). Safe immobilization of Cr(III) in heat-treated zeolite tuff compacts, Journal of Hazardous Materials , 137, pp. 1206–1210. Litz, J.E. (2006). Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials, U.S. Patent No. 7,105,087 B2, 12 September 2006. Washington, D.C.: U.S. Patent and Trademark Office. Loyaux-Lawniczak, S., Lecomte, P. & Ehrhardt, J.-J. (2001). Behavior of hexavalent chromium in a polluted groundwater: redox processes and immobilization

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Liver Aspartate Transaminase Isoenzymes as Biomarkers of Chronic Exposure to Chromium(VI)

References 1. Mutti A, De Palma G, Goldoni M. Nuove prospettive nel monitoraggio biologico degli elementi metallici: l’esempio del cromo esavalente [New perspectives in biomonitoring of metallic elements: the example of hexavalent chromium, in Italian]. G Ital Med Lav Ergon 2012;34:51-4. PMID: 23213798 2. Scarselli A, Binazzi A, Marzio DD, Marinaccio A, Iavicoli S. Hexavalent chromium compounds in the workplace: assessing the extent and magnitude of occupational exposure in Italy. J Occup Environ Hyg 2012;9:398-407. doi

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Exploiting of the phenoxazine as first – ever use ligand in rapid spectrophotometric methods for the determination of chromium(VI) in environmental samples

Abstract

Two new rapid, accurate, sensitive, reproducible and economical spectrophotometric methods are described for the determination of hexavalent chromium in bulk and in environmental samples like, water and soil using two new electrophilic coupling spectrophotometric reagents, 2-amino-2′,5-dichlorobenzophenone (MCB) and 2-amino-5-chloro-2'-fluorobenzophenone (MFB) and first-ever use phenoxazine (PNZ). Both methods are based on the oxidation of (MCB) or (MFB) by chromium(VI) in hydrochloric acid medium and coupling with PNZ to yield red colored, which are stable for about 12 h and have an absorbance maximum 520 nm. Beer’s law is obeyed for chromium(VI) in the concentration ranges 0.15-1.20 μg mL-1 and 0.17-1.41 μg mL- 1 respectively. The optimum reaction conditions and other important analytical parameters were established to maximize sensitivity of these methods. Interference by various non-target ions was also investigated. The performance of these methods was further evaluated by recovery tests applying standard addition method, which indicated that there is no significant difference between the proposed methods and the standard reference spectrophotometric method.

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Hexavalent Chromium Accumulation by Microscopic Fungi

Relative Dating of Lowland River Floodplain Deposits (The Obra River, Poland), Archives of Environmental Protection , 37, 131-150. [5] Kowalski, Z. (2002). Technologie związków chromu, Wydawnictwo Politechniki Krakowskiej, Kraków 2002. [6] Chen, J.M., & Hao, O.J. (1997). Biological removal of aqueous hexavalent chromium, J. Chem. Technol. Biotechnol ., 69, 70-76. [7] Sen, M, Dastidar, M.G., & Roychoudhury, P.K. (2007). Biological removal of Cr(VI) using Fusarium solani in batch and continuous modes of operation, Enzyme

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Equilibrium and kinetic studies of Cr (VI) removal from synthetic wastewater by Acroptilon repense flower powder

). Adsorption kinetics for the removal of chromium (VI) from aqueous solutions on the activated carbons prepared from agricultural wastes, Water S.A. 30, 533-540. 4. Mahvi, A.H., Naghipour, D., Vaezi, F. & Nazmara, S. (2005). Tea waste as an adsorbent for heavy metal removal from industrial wastewaters, Am. J. Appl. Sci. 2, 372-375. DOI: 10.3844/ ajassp.2005.372.375 5. Neagu, V. & Mikhalovsky, S. (2010). Removal of hexavalent chromium by new quaternized crosslinked poly (4-vinylpyridines), J. Hazard Mater. 183, 533-540. 6

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Temporal variability of sewage sludge heavy metal content from Greek wastewater treatment plants

: 10.2478/eces-2014-0011. [9] Spanos T, Ene A, Karadjova IB. Assessment of toxic elements Cu, Cr, Ni, Pb, Cd, Hg, Zn, As and hexavalent chromium in sewage sludge from municipal wastewater treatment plants by combined spectroscopic techniques. Romanian J Phys. 2015;60(1-2):237-245. http://www.nipne.ro/rjp/2015_60_1-2/0237_0245.pdf . [10] Van de Velden M, Dewil R, Baeyens J, Josson L, Lanssens P. The distribution of heavy metals during fluidized bed combustion of sludge (FBSC). J Hazard Mater. 2008;151(1):96-102. DOI: 10.1016/j.jhazmat.2007

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