Determination of Ca content of coral skeleton by analyte additive method using the LIBS technique

Haider, A. F. M. Y.; Khan, Zulfiqar Hasan

doi:10.1016/j.optlastec.2012.01.032

Cited by 23 publications

(14 citation statements)

References 24 publications

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“…18,19 The beam had a Gaussian prole in the far-eld with a beam divergence of less than 0.5 mrad. 1 Pulse to pulse energy stability was better than 99% (manufacturer supplied data).…”

Section: Methodsmentioning

confidence: 99%

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Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy

Haider

Ira

Khan

et al. 2014

J. Anal. At. Spectrom.

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“…18,19 The beam had a Gaussian prole in the far-eld with a beam divergence of less than 0.5 mrad. 1 Pulse to pulse energy stability was better than 99% (manufacturer supplied data).…”

Section: Methodsmentioning

confidence: 99%

“…By this technique one can also determine the concentration of constituent elements by the analyte additive method. 1 LIBS can be used as a plasma diagnostic tool. 2 LIBS has been applied for measurement of plasma temperature (atomic/ionic excitation temperature) using the Saha-Boltzmann plot.…”

Section: Introductionmentioning

confidence: 99%

Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy

Haider

Ira

Khan

et al. 2014

J. Anal. At. Spectrom.

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“…Finally, small pellets of zircon were prepared by using a hand press with sufficient pressure (~ 80 bars). About ten pellets were made and subjected to LIBS experiments, as described above (Haider and Khan 2012).…”

Section: Sample Processingmentioning

confidence: 99%

Identification of Multiple Rare Earths and Other Associated Elements in Zircon by Laser-Induced Breakdown Spectroscopy

Haider

Khan

2020

J Bangladesh Acad Sci

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Laser-induced breakdown spectroscopy (LIBS), which is a powerful technique for the detection of minor and trace elements in a sample, has been used to analyze the enriched zircon mineral collected from the beach sands of southern Bangladesh. In addition to zirconium, a large number of rare earth elements viz. cerium, lanthanum, praseodymium, neodymium, ytterbium, gadolinium, dysprosium, erbium, samarium, europium, holmium and yttrium and other associated elements like hafnium, niobium, tantalum, magnesium, calcium, sodium, titanium and iron along with non-metals like phosphorus and silicon were detected in the enriched zircon samples by the LIBS technique. To the best of our knowledge, this is the first time that multiple rare earth elements have been identified in natural zircon by LIBS. Journal of Bangladesh Academy of Sciences, Vol. 44, No. 1, 59-68, 2020

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“…where Δ is the energy difference between the two levels [21]. Table 1 shows an estimation of the electron density for both groups.…”

Section: Electron Densitymentioning

confidence: 99%

Influence of Lead on the Interpretation of Bone Samples with Laser-Induced Breakdown Spectroscopy

Shahedi

Eslami

Nourani

2016

Journal of Spectroscopy

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This study is devoted to tracing and identifying the elements available in bone sample using Laser-Induced Breakdown Spectroscopy (LIBS). The bone samples were prepared from the thigh of laboratory rats, which consumed 325.29 g/mol lead acetate having 4 mM concentration in specified time duration. About 76 atomic lines have been analyzed and we found that the dominant elements are Ca I, Ca II, Mg I, Mg II, Fe I, and Fe II. Temperature curve and bar graph were drawn to compare bone elements of group B which consumed lead with normal group, group A, in the same laboratory conditions. Plasma parameters including plasma temperature and electron density were determined by considering Local Thermodynamic Equilibrium (LTE) condition in the plasma. An inverse relationship has been detected between lead absorption and elements like Calcium and Magnesium absorption comparing elemental values for both the groups.

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Determination of Ca content of coral skeleton by analyte additive method using the LIBS technique

Cited by 23 publications

References 24 publications

Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy

Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy

Identification of Multiple Rare Earths and Other Associated Elements in Zircon by Laser-Induced Breakdown Spectroscopy

Influence of Lead on the Interpretation of Bone Samples with Laser-Induced Breakdown Spectroscopy

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