TY - JOUR
KW - Particle
KW - Measurements
KW - Measurement
KW - USA
KW - Pulse
KW - Ablation
KW - Laser
KW - Laser ablation
KW - Laser ablation
KW - Analysis
KW - Intensities
KW - Intensity
KW - Time
KW - Ca
KW - Composition
KW - Fractionation
KW - Glass
KW - Glasses
KW - Icp-ms
KW - Icp-ms
KW - Icp-ms
KW - Inductively coupled plasma (icp)
KW - Inductively coupled plasma mass spectrometry
KW - Inductively-coupled plasma
KW - Mass
KW - Mass spectrometry
KW - Mass spectrometry
KW - Plasma
KW - Plasma mass spectrometry
KW - Plasma-mass spectrometry
KW - Sampling
KW - Spectrometry
KW - Ablated mass
KW - Chemical analysis
KW - Chemical analysis
KW - Dependence
KW - Emission spectroscopy
KW - No
KW - Ratio
KW - Signal
KW - Single
KW - Crater
KW - Volume
KW - Correlation
KW - Laser ablation sampling
KW - Nist
KW - Depth
KW - Silicon
KW - Glass samples
KW - Elemental fractionation
KW - Irradiance
KW - Pb/u
KW - Pulse laser
KW - Pulse laser ablation
KW - Segregation
AU - Haichen Liu
AU - Xianglei Mao
AU - Richard E Russo
AB - <p>Single pulse laser ablation sampling with inductively coupled plasma mass spectrometry (ICP-MS) was assessed for accurate chemical analysis. Elemental fractionation (<em>e.g.</em> Pb/U), the quantity of ablated mass (crater volume), ICP-MS intensity and the particle contribution (spike signal) during single pulse ablation of NIST 610 glass were investigated. Pb/U fractionation significantly changed between the first and second laser pulse and showed strong irradiance dependence. The Pb/U ratio obtained by the first pulse was usually higher than that of the second pulse, with the average value close to the representative level. Segregation during laser ablation is proposed to explain the composition change between the first and second pulse. Crater volume measurements showed that the second pulse produced significantly more ablated mass. A roll-off of the crater depth occurred at ~750&nbsp;GW&nbsp;cm<sup>-2</sup>. The absolute ICP-MS intensity from the second pulse showed no correlation with crater depth. Particle induced spikes on the transit signal showed irradiance and elemental species dependence.</p>
AD - <p>Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China</p>
BT -  Journal of Analytical Atomic Spectrometry
C2 - LBNL-48423 
DO - 10.1039/B101421H 
IS - 10
LA - eng
LB - Laser
M1 - 10
N2 - <p>Single pulse laser ablation sampling with inductively coupled plasma mass spectrometry (ICP-MS) was assessed for accurate chemical analysis. Elemental fractionation (<em>e.g.</em> Pb/U), the quantity of ablated mass (crater volume), ICP-MS intensity and the particle contribution (spike signal) during single pulse ablation of NIST 610 glass were investigated. Pb/U fractionation significantly changed between the first and second laser pulse and showed strong irradiance dependence. The Pb/U ratio obtained by the first pulse was usually higher than that of the second pulse, with the average value close to the representative level. Segregation during laser ablation is proposed to explain the composition change between the first and second pulse. Crater volume measurements showed that the second pulse produced significantly more ablated mass. A roll-off of the crater depth occurred at ~750&nbsp;GW&nbsp;cm<sup>-2</sup>. The absolute ICP-MS intensity from the second pulse showed no correlation with crater depth. Particle induced spikes on the transit signal showed irradiance and elemental species dependence.</p>
PY - 2001
SP - 1115
EP - 1120
ST - J. Anal. At. Spectrom.
T2 -  Journal of Analytical Atomic Spectrometry
TI - Representative sampling using single-pulse laser ablation with inductively coupled plasma mass spectrometry
VL - 16
ER -