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Questions related from W. A. W. Razali
Several milling sessions using 5mm, 1mm and 0.2 mm grinding ball were carried out to produce alumina nanoparticle while water was used as a surfactant. Most of the milled powder cannot achieved...
09 September 2013 4,554 25 View
I want to identify the composition of very low concentration and very limited sample. Which analysis is more sensitive to detect the element in the sample?
06 June 2013 8,394 3 View
I have done the milling process for an Alumina sample using zirconia ball. However from EDX and XRD analysis it is showing very high contamination of Zirconia element. Does anyone have suggestions...
04 April 2013 4,677 8 View
I measure absorption spectrum using UV-Vis NIR and excitation spectrum using fluorescence spectroscopy for ruby crystal. Absorption spectrum shows the most absorb wavelength while excitation...
01 January 2013 2,520 7 View
Ablation, in the broadest sense, is removal of material because of the incident light. In most metals and glasses/crystals the removal is by vaporization of the material due to heat.
01 January 2013 6,241 14 View