Zobrazeno 1 - 10
of 7 896
pro vyhledávání: '"Analytical Chemistry"'
Publikováno v:
Journal of Analytical Atomic Spectrometry. 37:95-102
We developed a method to measure the time-of-flight (TOF) mass spectra of zircon M257 based on our significantly improved VUV laser desorption/ionization (VUVDI) mass spectrometer. The zircon sample embedded in an epoxy slice was inserted at the midd
Autor:
Zhijun Wang, Xiaoxue Huo, Huifang Yang, Jinxin Zhao, Dawei Wang, Yu Wang, Qian Wu, Fenghe Wang, Panlai Li, Zejun Ye
Publikováno v:
CrystEngComm. 24:358-367
A series of bluish-cyan color adjustable phosphors Y2MgAl4SiO12:xEu2+(YMAS) and Y2(Mg1-y,My)Al4SiO12:Eu2+ (M=Zn, Ca, Sr) were synthesized by the solid-state method. The thermal stability can be improved by modifying cation, especially, the thermal st
Publikováno v:
Journal of Analytical Atomic Spectrometry. 37:82-88
This study investigated the effect of laser polarization on the molecular bands of femtosecond laser-induced breakdown spectroscopy (LIBS). Results from AlO molecules indicated that the intensities of molecular emission bands under circular polarizat
Publikováno v:
Journal of Analytical Atomic Spectrometry. 37:172-177
We demonstrate and compare indium and silicon as secondary cathode material for the analysis of flat, solid alumina and sapphire matrices by direct-current glow discharge mass spectrometry (dc-GDMS). The mask designs and the glow discharge conditions
Publikováno v:
Analytical Methods. 14:67-75
In this study, we report the fabrication of nanocomposite consisting of Co3O4 nanoparticles (Co3O4 NPs) and electrochemically reduced graphene oxide (ERGO) on the screen-printed electrode (SPE) and its sensing performance in the electrochemical detec
Autor:
Naoki Toshima, Yukou Du, Riku Nakata, Yukihide Shiraishi, Shinichi Hata, Soichiro Yasuda, Hiroki Ihara
Publikováno v:
Materials Advances. 3:373-380
The design and scale-up of carbon nanotube (CNT)-based thermoelectric (TE) modules is limited by the low structural similarity between p-type enhancers and n-dopants. This study was aimed at investigating the organic TE properties of polyazacycloalka
Autor:
Xinping Qiu, shouwang zhao, Shengli An, Hongwei Fan, kai qiu, Chao Zhang, Mingxia Yan, Guixiao Jia
Publikováno v:
Physical Chemistry Chemical Physics. 24:551-559
High-energy density and low cost sodium-ion batteries are being sought to meet increasing energy demand. Here, R-MnO2 is chosen as a cathode material of sodium-ion batteries owing to its low cost and high energy density. Structural transformation fro
Publikováno v:
Journal of Analytical Atomic Spectrometry. 36:1489-1502
Accurate and precise isotopic ratio determinations using multi-collector (MC) mass spectrometers rely on accurate cross-calibration and long-term stability of the efficiencies of the multiple detectors. Isotopic analyses at the part per million (ppm)
Publikováno v:
Journal of Analytical Atomic Spectrometry. 36:1879-1883
Nanoparticle (NP) analysis performed by laser ablation–single particle-inductively coupled plasma mass spectrometry (LA-sp-ICPMS) has recently allowed for multimodal insights to be gained about NPs in biological tissues. In our previous work, NP lo
Autor:
Aderval S. Luna, Mayara Cristina Leal do Nascimento, Danilo de Castro da Silva, Deborah V. Cesar, Fernanda Nunes Ferreira, Jefferson Santos de Gois, Ana Paula Benevides
Publikováno v:
Journal of Analytical Atomic Spectrometry. 36:900-908
This work describes the development of an analytical method for the preconcentration of Se in digested fish samples using magnetic nanoparticles of graphene oxide GO–γFe2O3 with detection by hydride generation atomic absorption spectrometry and fl