Is atomic absorption spectroscopy expensive?
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36 Citations | The ICP source offers extended linearity and sensitivity, better than classical atomic absorption spectroscopy (AAS). |
These results should extend the range of applications in which absorption spectroscopy sensors are attractive candidates. | |
This approach improves analytical efficiency over that for conventional atomic absorption methods, while minimizing loss of accuracy or precision for individual elements. | |
The ease and accuracy of atomic absorption spectrophotometry is due to the improved equipment now used while earlier devices had insufficient sensitivity for the determination of concentrations in the order of 1 μg/ml. | |
The continuum source atomic absorption spectrometer can be used for the investigation of spectra interferences in Zeeman corrected AA spectrometry. | |
It is shown that the dynamic range of atomic absorption analytical curves can be readily extended with an ac Zeeman system. | |
The results obtained agree well with those samples analyzed by atomic absorption spectrophotometry (AAS). | |
Comparison with values in the literature shows that our reference values are in agreement with published results obtained by flameless atomic absorption spectroscopy. | |
44 Citations | This method correlated well with atomic absorption spectrometry. |
It turned out that the class “atomization efficiency interferences” might constitute one of the most serious sources of systematic error in frameless atomic absorption spectrometry. | |
52 Citations | The use of this method for quantitative analysis, using atomic absorption spectra, eliminates the effect of the composition of the sample on the analytical results. |
36 Citations | It is cheaper and more accurate than atomic absorption. |
It is shown that integration in absorbance, not in intensity, is a pre-requisite for absolute detection in atomic absorption spectrometry. | |
16 Citations | Therefore, the more frequent use of radiotracers in investigations aimed at improving the accuracy of atomic absorption spectrometric methods would be beneficial. |
The most crucial finding in this study is that measurement of the effective atomic number is not appropriate near to the absorption edge and the effective atomic number is affected by near to the absorption edge. | |
By avoiding such errors, the benefits of atomic absorption analysis with spatial resolution over conventional AAS are directly demonstrated. | |
14 Citations | Analytical figures of merit were found to be better than those obtained from previous work attempted with inductively coupled plasma atomic absorption spectroscopy and approaching that of flame atomic absorption spectroscopy. |
The proposed device is easily adapted to any atomic absorption spectrometer. | |
48 Citations | This approach may offer a future path for the continued development of atomic absorption. |
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What is atomic absorption spectrometry?3 answersAtomic absorption spectrometry (AAS) is a technique used for the determination and identification of trace elements in various samples, including wine, environmental samples, pharmaceuticals, and food. AAS utilizes the absorption of electromagnetic radiation by ground state atoms to measure the concentration of specific elements in a sample. The technique can be performed using different atomizers, such as flame and electrothermal atomizers, which allow for the analysis of both routine and ultratrace levels of metals. AAS instruments consist of various components, including radiation emitters, detectors, and control modules, which enable the measurement and analysis of the absorbed radiation. The technique is widely used due to its fast testing speed, high sophistication, and ability to provide accurate and sensitive results.
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