Dry ashing of airborne particulate matter on paper and glass fiber filters for trace metal analysis by atomic absorption spectrometry

Kometani, T. Y.; Bové, John L.; Nathanson, B.; Siebenberg, Stanley; Magyar, Martha

doi:10.1021/es60066a003

Cited by 28 publications

(8 citation statements)

References 8 publications

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“…In this context it is worth noting, that Yamashige et al [18] have reported the volatilization of Pb at high temperatures during the alkali fusion procedure. This phenomenon has also been reported in other corresponding studies [26][27][28]. However, in this context the alkali fusion procedure had to be used, because according to Yamashige et al [18], and Wang et al [16,29] low recoveries for Cr are expected by Acid decomposition methods.…”

Section: Validity Of the Alkali Fusion Proceduressupporting

confidence: 67%

Assessment of the Impact of Opencast Chrome Mining on the Ambient Air Concentrations of TSP, Cr, Ni and Pb Around A Mining Complex in Northern Finland

Pöykiö¹,

Perämäki²,

Bergstrom³

et al. 2002

International Journal of Environmental Analytical Chemistry

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Section: Validity Of the Alkali Fusion Proceduressupporting

confidence: 67%

Assessment of the Impact of Opencast Chrome Mining on the Ambient Air Concentrations of TSP, Cr, Ni and Pb Around A Mining Complex in Northern Finland

Pöykiö¹,

Perämäki²,

Bergstrom³

et al. 2002

International Journal of Environmental Analytical Chemistry

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“…We also attempted to dissolve coal and fly ash in a Parr bomb with fuming HN03 + HF, heated at 150 °C for 2 h. The results of this analysis also indicate poor recoveries. In addition, the 90 (2) 20 (1)…”

Section: Resultsmentioning

confidence: 99%

“…Apparently covering or uncovering the crucibles during ignition does not make any difference in preventing the losses (19). The presence of sulfates prevents the loss of many elements during the dry ashing (20). Since some coals contain appreciable amounts of sulfates, this will help in retaining the trace elements during ashing.…”

Section: ( 3 )mentioning

confidence: 99%

Multitechnique multielemental analysis of coal and fly ash

Nadkarni¹

1980

Anal. Chem.

105

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The coal sample is first ashed with high temperature ashing or with RF plasma low temperature ashing. The coal ash or fly ash can be analyzed for major ash elements by fusing with lithium tetraborate in an automatic fusion device, the Claisse Fluxer. The ash samples are also dissolved in a Parr bomb in a mixture of aqua regia and HF. Subsequently, the solutions are analyzed for eight major (AI, Ca, Fe, K, Mg, Na, Si, and Ti) and 20 trace elements (As, B, Ba, Be, Cd, Co, Cr, Cu, Li, Mn, Mo, Ni, P, Pb, Sb, Se, Sr, U, V, and Zn) by inductively coupled plasma emission spectroscopy. Mercury in coal and fly ash is determined on a separate aliquot by the cold vapor atomic absorption technique. Fluorine and chlorine in the samples are determined by fusing with Na,CO, and Eschka mixture, respectively, and then measuring the two ions In solution with specific ion electrodes. Oxygen in the samples can be determined rapidly and nondestructively by 14-MeV neutron activation analysis. These methods have been tested by analyzing several NBS coal and fly ash standards with good accuracy and reproducibility.Oil and gas a t present supply three-fourths of the energy used in the United States. In spite of the increasing conservation measures taken, our import of these materials is steadily on the rise. However, the supply of these hydrocarbon fuels worldwide is expected to decline in the foreseeable future.T h e only practical alternative energy supplies a t present are nuclear energy and coal.T h e world reserves of coal far exceed those of any other fossil fuel and are sufficient to support a massive increase in consumption well into the future. It is estimated that the United States has 1.7 trillion tons of coal ( I ) . Despite these massive reserves, however, the amount of coal used in this country has remained almost constant a t about 600 million tons per year for the past few years ( 2 ) . One of the chief reasons for this lack of coal utilization is the environmental concern as to how much increase in atmospheric pollution will take place by burning increased amounts of coal.Coal is a fairly "dirty" fuel and contains large amounts of many inorganic elements. At the same time, there are wide variations in the trace elements content of coal seams even within a single mine. Hence, it is important to have reliable analytical methods which can monitor the inorganic constituents a t various stages of coal production and utilization. Since as many elements as possible need to be monitored in the coal products, it is desirable to have multielement rather than single element techniques.The need for the standardization of the analytical methodology and availability of analytical standards was illustrated by the U S . Environmental Protection Agency's round robin analysis of four fuel matrices for 28 elements in nine laboratories (3). Same samples of coal, fly ash, fuel oil, and gasoline were analyzed for 28 elements in nine laboratories by a variety of analytical techniques -neutron activation analysis, atomic absorption spectrophoto...

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“…The glass fiber filters used by most laboratories contain such large amounts of some of the elements of interest that X-ray intensities from the blanks are prohibitively high and variable. According to Kometani et al (1972), these impurities also cause such serious difficulties during sample preparation for aas that the use of glass filters for air sampling should be avoided. The earlier study by Bove et al (1972) indicated that less than 3% of the solids retained by glass fiber mats escapes the paper filters at the flow rates employed.…”

Section: Preliminary Considerationsmentioning

confidence: 99%

X-ray spectrometric analysis of air pollution dust

Luke¹,

Kometani²,

Kessler³

et al. 1972

Environ. Sci. Technol.

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Dry ashing of airborne particulate matter on paper and glass fiber filters for trace metal analysis by atomic absorption spectrometry

Abstract: the basis for our modified spiral. We also thank Ronald G. Stafford of lasl for his assistance in the preparation of the iron oxide aerosol and George W. Royer of lasl for generating the methylene blue-uranine aerosol with the lasl spinning disk generator.

Cited by 28 publications

References 8 publications

Assessment of the Impact of Opencast Chrome Mining on the Ambient Air Concentrations of TSP, Cr, Ni and Pb Around A Mining Complex in Northern Finland

Assessment of the Impact of Opencast Chrome Mining on the Ambient Air Concentrations of TSP, Cr, Ni and Pb Around A Mining Complex in Northern Finland

Multitechnique multielemental analysis of coal and fly ash

X-ray spectrometric analysis of air pollution dust

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