Accurate sulfur determination of coal using double-pulse laser-induced breakdown spectroscopy
Yiwen Ma, Wen Zhang, Zhang Xiong, Haohao Cui, Qingzhou Li, Ran Zhou, Youjian Zhang, Xiangyou Li, Xiaoyan Zeng, Qing Li
Abstract
A helium atmosphere combined with DP-LIBS was presented to enhance the SNR and spectral intensity of S in coal, and weaken the spectral interference from O I 926.6 nm, to achieve high accuracy and sensitivity detection.
Topics & Concepts
Laser-induced breakdown spectroscopySpectroscopyInterference (communication)HeliumSulfurLaserAnalytical Chemistry (journal)Sensitivity (control systems)Materials sciencePulse (music)Atmosphere (unit)CoalChemistryOpticsPhysicsEnvironmental chemistryComputer scienceElectronic engineeringMeteorologyTelecommunicationsEngineeringChannel (broadcasting)Organic chemistryDetectorMetallurgyQuantum mechanicsLaser-induced spectroscopy and plasmaAnalytical chemistry methods developmentMercury impact and mitigation studies