Principles and practice of analytical chemistry

Fifield, F. W.; Kealey, D.

doi:10.1016/s0003-2670(00)82583-0

Cited by 26 publications

(12 citation statements)

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“…The FAAS used in the current study was evaluated, for its performance, by constructing a calibration curve, which was achieved by plotting the instrumental response as a function of concentration of the analyte [26]. Quantitative determination of lead in the processed samples was carried out utilizing the linear relationship established from a series of standard solutions or the calibration curve.…”

Section: Performance Of the Analytical Instrumentmentioning

confidence: 99%

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Teju¹,

Megersa²,

Chandravanshi³

et al. 2014

Bull. Chem. Soc. Eth.

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ABSTRACT. The levels of lead pollution in the roadside soils of the heavy density motor ways of Eastern Ethiopia, in particular; Modjo, Bishoftu and Adama towns were studied. Soil samples were collected from a total of 22 sampling sites while the control samples were obtained from places about 1 km away from the main roads of each town. Concentrations of lead, in soil samples, were determined using flame atomic absorption spectrometer and the average concentrations of lead were found to be 93.3 ± 1.0, 79.4 ± 0.6 and 80.6 ± 0.4 µg/g for Modjo, Bishoftu and Adama towns, respectively. The concentrations of lead in soils sampled 1 km away from the main road for each town were: 13.5 ± 0.3, 19.6 ± 0.7 and 20.8 ± 0.8 µg/g for Modjo, Bishoftu and Adama towns, respectively. The contamination factors for the average lead concentrations of Modjo, Bishoftu and Adama towns were 6.9, 4.0 and 3.8, respectively. Besides, the correlations between the lead level and the traffic density of the corresponding roads were found to be r (4) = 0.82, p < 0.05 for Modjo, r (5) = 0.32, p < 0.05 for Bishoftu and r (9) = 0.81, p < 0.05 for Adama.

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Section: Performance Of the Analytical Instrumentmentioning

confidence: 99%

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Teju¹,

Megersa²,

Chandravanshi³

et al. 2014

Bull. Chem. Soc. Eth.

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“…The analytical methodology applied in determining the generated ozone was the traditional iodometry with tritation of iodine by sodium thiosulfate and starch as an oxireduction indicator (Fifield andKealey, 2000, Kurniawan et al, 2006).…”

Section: Rate Production Of Ozonementioning

confidence: 99%

“…The addition of ferric ion was performed from a 0.1 eq L -1 stock solution of Fe(NO 3 ) 3 .9H 2 O. The stock solution was determined by dicromatometry via the reduction of ferric ion to ferrous with the help of stannous chloride 5 % m v -1 (Fifield and Kealey, 2000). Other metallic ions were added to the effluent from Tritsol Merck standards with concentrations of 1000 mg L -1 .…”

Section: Treatment Of In Natura Landfill Leachate By Catalytic Ozonatmentioning

confidence: 99%

Leachate treatment process at a municipal stabilized landfill by catalytic ozonation: an exploratory study from Taguchi orthogonal array

Peixoto

Silva

Filho

2009

Braz. J. Chem. Eng.

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-Catalytic ozonation has been recognized in the scientific community as an efficient technique, reaching elevated rates of recalcitrant organic material mineralization, even at the presence of scavenger species of hydroxyl free radicals. This study presents the most significant factors involving the leachate treatment stabilized by the municipal landfill of the city of Guaratinguetá, State of São Paulo, Brazil, by using a catalytic ozonation activated by metallic ions Fe 3+ , Zn 2+ , Mn 2+ , Ni 2+ and Cr 3+ . The Taguchi L 16 orthogonal array and its associated statistical methods were also used in this study. Among the researched ions, the most notable catalysis was obtained with ferric ion, statistically significant in the reduction of COD with a confidence level of 99.5%.

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“…Subrahmanyam Vol. 8,No.1 effect is cooling of the hearth and heating of the top zone. Alkalies in the stack lead to formation of accretions and descend intermittently, which can result in serious instability.…”

Section: Introductionmentioning

confidence: 99%

“…Flame emission spectrometry is extensively used for determination of alkali and alkaline earth metals, which have low excitation energy, especially for biological and agriculture samples [7,8].But intensity of the emitted radiation is highly sensitive and changes with flame temperature. In addition, it suffers from spectral interferences and self absorption.…”

Section: Introductionmentioning

confidence: 99%

Method for Estimation of Na<sub>2</sub>O and K<sub>2</sub>O in Ores, Fluxes, Coal and Coke Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy

Sarkar¹,

Subrahmanyam²

2009

JMMCE

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A method for the estimation of Na 2 O and K 2 O in the feed materials of sinter plants and blast furnaces, intermediate products like sinter, slag generated in steel plants, using Inductively Coupled Plasma Emission spectrometer is developed. Superiority of this method compared to the conventional techniques with respect to accuracy and repeatability is illustrated. Validation of this method is ascertained by carrying out tests with certified reference materials.

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Principles and practice of analytical chemistry

Cited by 26 publications

References 0 publications

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Leachate treatment process at a municipal stabilized landfill by catalytic ozonation: an exploratory study from Taguchi orthogonal array

Method for Estimation of Na<sub>2</sub>O and K<sub>2</sub>O in Ores, Fluxes, Coal and Coke Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy

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Principles and practice of analytical chemistry

Cited by 26 publications

References 0 publications

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Lead accumulation in the roadside soils from heavy density motor way towns of eastern Ethiopia

Leachate treatment process at a municipal stabilized landfill by catalytic ozonation: an exploratory study from Taguchi orthogonal array

Method for Estimation of Na&lt;sub&gt;2&lt;/sub&gt;O and K&lt;sub&gt;2&lt;/sub&gt;O in Ores, Fluxes, Coal and Coke Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy

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Method for Estimation of Na<sub>2</sub>O and K<sub>2</sub>O in Ores, Fluxes, Coal and Coke Ash by Inductively Coupled Plasma-Atomic Emission Spectroscopy