Effect of pretreatment conditions on the determination of major and trace elements in coal fly ash using ICP-AES

Iwashita, Akira; Nakajima, Tsunenori; Takanashi, Hirokazu; Ohki, Akira; Fujita, Yoshio; Yamashita, Toru

doi:10.1016/j.fuel.2005.04.034

Cited by 36 publications

(22 citation statements)

References 11 publications

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“…Microwave-accelerated digestion has become the most commonly used sample pre-treatment method for the determination of trace element concentrations in solid samples by ICP-OES [19][20][21][22][23]. Microwave-assisted digestion can be performed in open or closed digestion systems.…”

Section: Introductionmentioning

confidence: 99%

The determination of trace element concentrations in fly ash samples using ultrasound-assisted digestion followed with inductively coupled plasma optical emission spectrometry

Ilander

Väisänen

2009

Ultrasonics Sonochemistry

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A method of ultrasound-assisted digestion followed by inductively coupled plasma optical emission spectrometry (ICP-OES) used for the determination of trace element (chromium, copper, lead, nickel, vanadium and zinc) concentrations in fly ash samples was developed.All the measurements were performed in robust plasma conditions. Ultrasound-assisted digestion procedures using digestion solutions of aqua regia and hydrofluoric acid (HF) resulted in recovery rates of over 80 % for all the analyte elements. Ultrasound-assisted twostep digestion with digestion solutions of 6 mL of HNO 3 (Step 1) and 3 mL of HNO 3 + 3 mL of HF (Step 2) resulted in recovery rates of over 92 % for all the analyte elements with one exception, chromium, which had a recovery of about 85 %. The analysis of SRM 1633bshowed that the two-step ultrasound-assisted digestion method developed resulted in chromium, copper, nickel and zinc concentrations higher than the microwave digestion method standardized by the United States Environmental Protection Agency (USEPA method 3052). This is the very first time when a digestion method using ultrasound resulted in higher efficiency than microwave (USEPA method 3052) for chromium and nickel in very hard to dissolve samples. The major advantages of the ultrasound-assisted digestion over microwave digestion is the high treatment rate (about 30 samples simultaneously with a sonication time of 18 min) and the possibility to use new sample vessels without a significant increase in costs.

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Section: Introductionmentioning

confidence: 99%

The determination of trace element concentrations in fly ash samples using ultrasound-assisted digestion followed with inductively coupled plasma optical emission spectrometry

Ilander

Väisänen

2009

Ultrasonics Sonochemistry

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“…An acid digestion required for ICP-OES of fly ash may result in either loss or contamination of the sample from the acid and the subsequent dilution technique [35][36][37]. The Matla CFA was digested prior to ICP-OES and that process may have resulted in the lower elemental concentrations detected in the Matla CFA [38]. The trace element composition of the Matla CFA determined by ENAA, ICP-OES, LA-ICP-MS and XRF is presented in Table 4.…”

Section: Quality Assurancementioning

confidence: 99%

Elemental composition of fly ash: a comparative study using nuclear and related analytical techniques / Skład pierwiastkowy popiołów lotnych: studium przypadku z wykorzystaniem metod nuklearnych i analitycznych

Eze¹,

Fatoba²,

Madzivire³

et al. 2013

Chemistry-Didactics-Ecology-Metrology

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Abstract:Epithermal neutron activation analysis along with ICP-OES, LA ICP-MS, and XRF were used to determine the elemental composition of coal fly ash from the Malta coal power station in the Mpumalanga province of South Africa. A total of 54 major, trace and rare earth elements were obtained by the four analytical techniques. The results were compared and the discrepancies discussed to show the merits and drawbacks of each of the techniques. It was shown that the elemental content of this particular coal fly ash are of the same order as the NIST standard reference material Coal Fly Ash 1633b.

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“…Its electrochemical properties are determined by the content ratio of Ni, Co, Mn in LiCo x Ni y Mn z O 2 . The inductively coupled plasma atomic emission spectrometry (ICP-AES) method was widely applied to element content determination due to its low detection limit, wide dynamic range, high accuracy and little matrix effect [5][6][7][8][9] . In this paper, the contents of Ni, Co, Mn and Li in LiCo x Ni y Mn z O 2 were determined by ICP-AES method.…”

Section: Introductionmentioning

confidence: 99%

The element content determination of LiCoxNiyMnzO2 by inductively coupled plasma atomic emission spectrometric method

Qin¹,

Li²,

Ma³

et al. 2015

Proceedings of the 2015 International Industrial Informatics and Computer Engineering Conference

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Abstract. The contents of Ni, Co, Mn and Li in LiCo x Ni y Mn z O 2 cathode material were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES) method. The samples were dissolved in aqua regia. The analytical spectral line for Ni, Co, Mn and Li was 232.0, 237.8, 279.4 and 610.3nm, respectively. The concentration of each element was linearly related to the emission intensity in the chosen range of concentration. The detection limit was 0.0005% to 0.001% while the addition standard recovery was 99%~101%. The ICP-AES method was applied to the element content determination of standard samples. The results were essentially in agreement with the certified values and the relative standard deviation (n=6) was between 0.85% and1.03%.

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Effect of pretreatment conditions on the determination of major and trace elements in coal fly ash using ICP-AES

Cited by 36 publications

References 11 publications

The determination of trace element concentrations in fly ash samples using ultrasound-assisted digestion followed with inductively coupled plasma optical emission spectrometry

The determination of trace element concentrations in fly ash samples using ultrasound-assisted digestion followed with inductively coupled plasma optical emission spectrometry

Elemental composition of fly ash: a comparative study using nuclear and related analytical techniques / Skład pierwiastkowy popiołów lotnych: studium przypadku z wykorzystaniem metod nuklearnych i analitycznych

The element content determination of LiCoxNiyMnzO2 by inductively coupled plasma atomic emission spectrometric method

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