2016
DOI: 10.22507/pml.v11n1a10
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Estudio preliminar de la cascarilla de arroz modificada y su efecto en la adsorción de Cr(VI) en solución

Abstract: Estudio preliminar de la cascarilla de arroz modificada y su efecto en la adsorción de Cr(VI) en solución* * Artículo original derivado del proyecto de investigación "Apoyo para la dotación del Nuevo Laboratorio de Química Experimental de la Escuela de Química y su asociación con el Área de Espectroscopia Láser del Laboratorio de Óptica de la Escuela de Física, en la Facultad de Ciencias. (2008 química de la superficie de estos materiales aumenta la capacidad adsortiva de metales en solución. Objetivo. Determi… Show more

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Cited by 5 publications
(4 citation statements)
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“…After a definite time and equilibrium had been attained, the adsorbent was separated from the solution. The remaining concentration of Cr (VI) was determined after dilution, measured using diphenyl carbazide, a technique proposed for standard methods [ 39 , 40 ], and analyzed at 540 nm [ 28 ] using a UV/VIS spectrophotometer (Jasco v770 spectrometer Tokyo, Japan). The experiments were carried out in triplicate, and average values are reported.…”
Section: Methodsmentioning
confidence: 99%
“…After a definite time and equilibrium had been attained, the adsorbent was separated from the solution. The remaining concentration of Cr (VI) was determined after dilution, measured using diphenyl carbazide, a technique proposed for standard methods [ 39 , 40 ], and analyzed at 540 nm [ 28 ] using a UV/VIS spectrophotometer (Jasco v770 spectrometer Tokyo, Japan). The experiments were carried out in triplicate, and average values are reported.…”
Section: Methodsmentioning
confidence: 99%
“…The intracellular transport of sodium, potassium, and important organic species is also compromised. [7,11] High levels of heavy metals can cause harmful effects in different stages. Minor injuries such as allergies, waves of nausea, breathing problems, evolving into neural, kidney, or liver disorders, and general internal bleeding.…”
Section: Introductionmentioning
confidence: 99%
“…The toxicity associated with those elements happens through bioaccumulation mechanisms since the human body absorbs these non-essential nutrients poorly. [7][8][9][10] The high damage caused to the body occurs by the inactivation of enzymes and proteins via the complexation of these cations with the sulfhydryl portion of these macromolecules. The intracellular transport of sodium, potassium, and important organic species is also compromised.…”
Section: Introductionmentioning
confidence: 99%
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