Browsing A F M Yusuf Haider by Title
Now showing items 22-28 of 28
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Laser Raman spectroscopy with different excitation sources and extension to surface enhanced raman spectroscopy
(© 2015 Hindawi Publishing Corporation, 2015)A dispersive Raman spectrometer was used with three different excitation sources (Argon-ion, He-Ne, and Diode lasers operating at 514.5 nm, 633 nm, and 782 nm, resp.). The system was employed to a variety of Raman active ... -
Laser-induced breakdown spectroscopy and its applications in mineral and pollution analyses
(© 2012 Nova Science Publishers, 2012-09) -
Power dependence of size of laser ablated colloidal silver nanoparticles
(© 2010 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg, 2010-11)Silver nanoparticles have been produced by laser ablation of silver metal in nanopure water without any chemical additives. It has been observed that laser power has a control over the size of the nanoparticles. Increasing ... -
A quick method to determine the impurity content in gold ornaments by LIBS technique
(© 2015 SciTePress, 2015)Laser induced breakdown spectroscopy (LIBS) and low energy dispersive X-ray fluorescence (ED-XRF) spectrometer, were used to determine the line intensity and concentration ratios of the major impurities (Cu and Ag) with ... -
Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy
(© 2014 Royal Society of Chemistry, 2014-08)Lifetimes of the excited 2P2 (3P) 3p 4S3/2 level of a nitrogen atom corresponding to transitions to different lower states have been estimated by measuring the line intensity of a transition as a function of the delay time ... -
Semiquantitative determination of chromium content of river bed soil of Buriganga river at different locations
(© 2010 Journal of Bangladesh Academy of Sciences, 2010)Using the technique of Laser Induced Breakdown Spectroscopy, the chromium content of river bed sediment of the Buriganga River is determined at various locations. Hazardous element, chromium is found in addition to other ... -
Survey of the water bodies for ecotoxic metals by laser-induced breakdown spectroscopy
(© 2015, Mary Ann Liebert, Inc., 2015-04)Laser-induced breakdown spectroscopy (LIBS) was applied to the analysis of ecotoxic metals in water samples, an issue of major importance for environmental monitoring. Pollution in water bodies around Dhaka city, Bangladesh ...