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- E-ISSN 2288-8985
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Analytical performance Evaluation of Pneumatic Nebulizers and Comparison of Their Characteristics
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.2, pp.120-126
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(2002). Analytical performance Evaluation of Pneumatic Nebulizers and Comparison of Their Characteristics. Analytical Science and Technology, 15(2), 120-126.
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Abstract
The analytical performance of four commercially-available pneumatic nebulizers(Meinhard, Cross-flow, Babington, ESI PFA) was evaluated using inductively coupled plasma-atomic emission spectrometry (ICP-AES) and ICP-mass spectrometry (ICP-MS) instruments. The performance of an inert concentric nebulizer and a modified conespray nebulizer, made in Korea Research Institute of Standards and Science (KRISS), is compared with that of the four commercial nebulizers. Variation of sample introduction efficiency was investigated as carrier argon pressure and sample uptake rate were changed. Variation of sensitivity, signal stability, blank intensity and oxide/hydride ratios were also studied when the nebulizers were connected to the ICP-MS and ICP-AES instruments. It was found that good analytical result such as high sensitivity, low blank, stable signal and so on can be obtained with judicious selection of the nebulizer depending on the type of sample, sample amount, type of analytical instrument and analyte.
- keywords
- pneumatic nebulizer, sample introduction efficiency, ICP-MS, ICP-AES, sensitivity, sample uptake rate
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