Themed collection Analytical atomic spectrometry in China
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Booming atomic spectrometry in China
Wei Hang introduces this Atomic Spectrometry in China themed issue that showcases a range of atomic spectrometry research from China.
J. Anal. At. Spectrom., 2015,30, 850-851
https://doi.org/10.1039/C5JA90012C
Atomic spectrometry in China: past and present
This review focuses on the developments of atomic spectrometry (AS) in China since the founding of the People's Republic in 1949.
J. Anal. At. Spectrom., 2015,30, 852-866
https://doi.org/10.1039/C4JA00420E
Optimization of the double spike technique using peak jump collection by a Monte Carlo method: an example for the determination of Ca isotope ratios
A Monte Carlo method is used to estimate the additional uncertainty of measured values introduced by peak jump mode for the determination of Ca isotope ratios.
J. Anal. At. Spectrom., 2015,30, 2403-2411
https://doi.org/10.1039/C5JA00203F
Towards higher precision SIMS U–Pb zircon geochronology via dynamic multi-collector analysis
A hybrid “dynamic multi-collector U–Pb dating technique” takes advantage of both the static multi-collector mode and peak-hopping mono-collector mode.
J. Anal. At. Spectrom., 2015,30, 979-985
https://doi.org/10.1039/C4JA00459K
An improved dual-stage protocol to pre-concentrate mercury from airborne particles for precise isotopic measurement
The Hg isotopic signature may provide insight into tracking the sources and pathways of both airborne particulate matter (PM) and particle-bound Hg (PHg) in the atmosphere.
J. Anal. At. Spectrom., 2015,30, 957-966
https://doi.org/10.1039/C4JA00438H
Deciphering the physical mechanism of the topography effect for oxygen isotope measurements using a Cameca IMS-1280 SIMS
Topography effects can be reduced by increasing transfer optics magnification in high precision SIMS isotope analysis.
J. Anal. At. Spectrom., 2015,30, 950-956
https://doi.org/10.1039/C4JA00458B
Measurements of water content and D/H ratio in apatite and silicate glasses using a NanoSIMS 50L
Apatite and silicate glasses share the same water content calibration curves in isotope modes where water was determined from the H− intensity regardless of multicollection or peak jumping. In contrast, the slope of apatite significantly differs from that of silicate glasses in element mode where OH− was counted for the water content.
J. Anal. At. Spectrom., 2015,30, 967-978
https://doi.org/10.1039/C4JA00417E
Further investigation into ICP-induced elemental fractionation in LA-ICP-MS using a local aerosol extraction strategy
The increased size of aerosol agglomerates or particles because of the reduced carrier gas velocity on the ablation site deteriorates the vaporization of aerosol particles in ICP, which induces similar elemental fractionation to laser ablation-induced fractionation.
J. Anal. At. Spectrom., 2015,30, 941-949
https://doi.org/10.1039/C4JA00483C
Application of spatial confinement for gas analysis using laser-induced breakdown spectroscopy to improve signal stability
Bowl-shaped confinement was designed to increase signal stability for gas analysis. With normalization over the whole spectral area to alleviate the absorbed energy difference, our pulse-to-pulse RSDs for nitrogen and oxygen can reach 2.97% and 3.94% respectively, making LIBS analysis of gaseous samples more reliable.
J. Anal. At. Spectrom., 2015,30, 922-928
https://doi.org/10.1039/C4JA00437J
Improved inductively coupled plasma optical emission spectroscopy analysis of trace elements in complex matrices by chemometric resolution
With the help of standard signals, the signals of trace elements in overlapping ICP OES signals can be obtained by a non-negative immune algorithm and used for quantitative analysis.
J. Anal. At. Spectrom., 2015,30, 936-940
https://doi.org/10.1039/C5JA00031A
Metallothionein isoforms for selective biosorption and preconcentration of cadmium at ultra-trace levels
Metallothioneins immobilized on spherical SiO2 particles exhibit favorable adsorption behavior toward cadmium, which facilitate selective adsorption of cadmium from complex sample matrices.
J. Anal. At. Spectrom., 2015,30, 929-935
https://doi.org/10.1039/C4JA00418C
Online solid sampling platform using multi-wall carbon nanotube assisted matrix solid phase dispersion for mercury speciation in fish by HPLC-ICP-MS
A method using multi-wall carbon nanotubes assisted matrix solid phase dispersion was developed to couple with HPLC-ICP-MS for mercury speciation.
J. Anal. At. Spectrom., 2015,30, 882-887
https://doi.org/10.1039/C4JA00436A
Direct determination of trace impurities in high-purity silicon nitride by axial viewed inductively coupled plasma optical emission spectrometry using a slurry nebulization technique
A simple, rapid and reliable method was developed for the determination of trace impurities in high-purity silicon nitride (nm- and μm-sized) by ICP-OES using a slurry nebulization technique.
J. Anal. At. Spectrom., 2015,30, 909-915
https://doi.org/10.1039/C4JA00429A
Determination and speciation of Hg using HPLC-AFS by atomization of this metal on a UV/nano-ZrO2/HCOOH photocatalytic reduction unit
A novel UV/nano-ZrO2/HCOOH atomization system was developed as a sample introduction unit and an online interface between HPLC and AFS for the determination and speciation of Hg for the first time.
J. Anal. At. Spectrom., 2015,30, 916-921
https://doi.org/10.1039/C4JA00455H
Online mercury determination by laser-induced breakdown spectroscopy with the assistance of solution cathode glow discharge
The trace mercury in an aqueous solution was determined by laser-induced breakdown spectroscopy (LIBS) with the assistance of a solution cathode glow discharge (SCGD) system.
J. Anal. At. Spectrom., 2015,30, 867-874
https://doi.org/10.1039/C4JA00350K
Determination of the binding sites and binding constants between Pb(II) and DNA using capillary electrophoresis combined with electrothermal atomic absorption spectrometry
A new method for studying the interaction between lead(II) and DNA was developed using capillary electrophoresis electrothermal atomic absorption spectrometry.
J. Anal. At. Spectrom., 2015,30, 903-908
https://doi.org/10.1039/C4JA00365A
Ce–Nd separation by solid-phase micro-extraction and its application to high-precision 142Nd/144Nd measurements using TIMS in geological materials
A rapid solid-phase micro-extraction (SPME) technique, using HEHEHP resin as sorbent, is established to completely separate Ce from rare earth element (REE) mixtures.
J. Anal. At. Spectrom., 2015,30, 895-902
https://doi.org/10.1039/C4JA00328D
Speciation of mercury in various samples from the micro-ecosystem of East Lake by hollow fiber-liquid–liquid–liquid microextraction-HPLC-ICP-MS
A novel method by combining hollow fiber-liquid–liquid–liquid microextraction (HF-LLLME) with HPLC-ICP-MS was developed for the speciation of inorganic mercury (Hg2+) and organomercury including methylmercury (MeHg+), ethylmercury (EtHg+) and phenylmercury (PhHg+), in the micro-ecosystem of East Lake (Wuhan, China).
J. Anal. At. Spectrom., 2015,30, 875-881
https://doi.org/10.1039/C4JA00312H
Ultrasensitive atomic fluorescence spectrometric detection of DNA with quantum dot-assemblies as signal amplification labels
Using self-assembled CdS QDs as signal amplification labels, an ultrasensitive AFS method was bridged to DNA detection, with an impressive limit of detection of 0.8 aM.
J. Anal. At. Spectrom., 2015,30, 888-894
https://doi.org/10.1039/C4JA00285G
Identification and quantification of seleno-proteins by 2-DE-SR-XRF in selenium-enriched yeasts
The Se content in Se-containing proteins of Se-enriched yeast was successfully identified and quantified by 2-DE combined with SRXRF techniques with high resolution and sensitivity.
J. Anal. At. Spectrom., 2015,30, 1408-1413
https://doi.org/10.1039/C5JA00043B
In situ simultaneous measurement of Rb–Sr/Sm–Nd or Sm–Nd/Lu–Hf isotopes in natural minerals using laser ablation multi-collector ICP-MS
This study presents a combined methodology of simultaneously measuring Rb–Sr/Sm–Nd or Sm–Nd/Lu–Hf isotopes in natural minerals by a means of two multiple collector inductively coupled plasma mass spectrometers connected to a 193 nm excimer laser ablation system.
J. Anal. At. Spectrom., 2015,30, 994-1000
https://doi.org/10.1039/C4JA00449C
Classification of the geographic origin of cigarettes according to Pb isotope ratios by inductively coupled plasma dynamic reaction cell mass spectrometry
ICP-DRC-MS was developed for the determination of Pb isotope ratios to distinguish between the geographic origins of cigarettes.
J. Anal. At. Spectrom., 2015,30, 986-993
https://doi.org/10.1039/C4JA00315B
About this collection
This collection of papers highlights the work of outstanding Chinese researchers in the field of atomic spectrometry and related areas. Guest Edited by Wei Hang. New articles will be added to this collection as they are published.