Investigation of mineral-element migration upon pyrolysis and quantitative prediction of volatiles in coal using laser-induced breakdown spectroscopy

2021 ◽  
Author(s):  
Wenkun Zhu ◽  
Xiaohui Li ◽  
Rui Sun ◽  
Yao Zhang ◽  
Yonghong Yan ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Quantitative Prediction ◽  
Laser Induced Breakdown Spectroscopy ◽  
Mineral Element ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown ◽  
Element Migration

With the separation of the initial pyrolysis of coal and the laser ablation interaction, mineral-element migration upon pyrolysis and quantitative prediction of volatiles were investigated by laser induced breakdown spectroscopy (LIBS).

Influence of sample temperature on the laser-induced breakdown spectroscopy of a molybdenum–tungsten alloy

2019 ◽  
Vol 34 (12) ◽  
pp. 2378-2384 ◽  
Author(s):  
Ran Hai ◽  
Zhonglin He ◽  
Ding Wu ◽  
Weina Tong ◽  
Harse Sattar ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Electron Density ◽  
Emission Intensity ◽  
Plasma Temperature ◽  
Sample Temperature ◽  
Tungsten Alloy ◽  
Laser Induced Breakdown Spectroscopy ◽  
Spectral Emission ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

During laser ablation, the spectral emission intensity, plasma temperature and electron density increased significantly with increasing sample temperature.

Influence of the target material on secondary plasma formation underwater and its laser induced breakdown spectroscopy (LIBS) signal

2017 ◽  
Vol 32 (2) ◽  
pp. 345-353 ◽  
Author(s):  
M. R. Gavrilović ◽  
V. Lazic ◽  
S. Jovićević
Keyword(s):  
Laser Ablation ◽  
Significant Influence ◽  
Material Properties ◽  
Bubble Formation ◽  
Target Material ◽  
Laser Induced Breakdown Spectroscopy ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown ◽  
Underwater Laser ◽  
Secondary Plasma

The significant influence of the target material properties on subsequent plasma and bubble formation in underwater laser ablation is demonstrated through the examples of α-alumina and pure Al targets.

Sample temperature effect on laser ablation and analytical capabilities of laser induced breakdown spectroscopy

2019 ◽  
Vol 34 (3) ◽  
pp. 607-615 ◽  
Author(s):  
V. N. Lednev ◽  
M. Ya. Grishin ◽  
P. A. Sdvizhenskii ◽  
R. D. Asyutin ◽  
R. S. Tretyakov ◽  
...  
Keyword(s):  
Laser Ablation ◽  
Temperature Effect ◽  
Sample Temperature ◽  
Laser Induced Breakdown Spectroscopy ◽  
Ablation Process ◽  
Breakdown Spectroscopy ◽  
Laser Ablation Process ◽  
Laser Induced Breakdown

The influence of sample temperature on the laser ablation process and analytical capabilities of laser induced breakdown spectroscopy (LIBS) was studied systematically.

Nanoparticle-Enhanced Laser Induced Breakdown Spectroscopy Using Copper–Silver and Nickel–Carbon Nanocomposites on Aluminium

2019 ◽  
Vol 18 (03n04) ◽  
pp. 1940022
Author(s):  
V. V. Kiris ◽  
A. V. Butsen ◽  
E. A. Ershov-Pavlov ◽  
M. I. Nedelko ◽  
A. A. Nevar
Keyword(s):  
Laser Ablation ◽  
Emission Intensity ◽  
Aluminum Foil ◽  
Spectral Lines ◽  
Laser Induced Breakdown Spectroscopy ◽  
Cu Nanoparticles ◽  
Laser Plume ◽  
Carbon Nanocomposites ◽  
Breakdown Spectroscopy ◽  
Laser Induced Breakdown

Composite Ag–Cu and Ni–C nanoparticles were synthesized by laser ablation and spark discharge in liquid, respectively. An amplification of the signal during laser induced breakdown spectroscopy was observed after deposition of the nanoparticles on the surface of an aluminum foil. The emission intensity of the laser plume increased from 2 to 20 times depending on the spectral lines used for the measurements. The intensity growth was higher for Ag–Cu nanoparticles.

Sign in / Sign up

Export Citation Format

Share Document