Issue 1, 1988

Palladium nitrate-magnesium nitrate modifier for graphite furnace atomic absorption spectrometry. Part 1. Determination of arsenic, antimony, selenium and thallium in airborne particulate matter

Abstract

When the palladium nitrate-magnesium nitrate modifier is used in the analysis of airborne particulate matter a common set of conditions for the determination of arsenic, antimony and selenium and with minor modifications thallium can be used. Under stabilised temperature platform furnace conditions, the interference-free determination of all four elements with calibration against matrix-free reference solutions is possible. Detection limits depend on the amount of sample collected. Absolute detection limits (3σ) of 75 ng for arsenic, 65 ng for antimony, 45 ng for selenium and 20 ng for thallium in total particulate mass were established. The precision of replicate analyses is typically better than 10% for all elements at the 10 µg g–1 level and better than 5% at higher analyte concentrations, except for arsenic, for which the precision was between 4 and 7%.

Article information

Article type
Paper

J. Anal. At. Spectrom., 1988,3, 93-97

Palladium nitrate-magnesium nitrate modifier for graphite furnace atomic absorption spectrometry. Part 1. Determination of arsenic, antimony, selenium and thallium in airborne particulate matter

B. Welz, G. Schlemmer and J. R. Mudakavi, J. Anal. At. Spectrom., 1988, 3, 93 DOI: 10.1039/JA9880300093

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