Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Ma, Mingjun"'
Autor:
Yao Jia, Yan-hong Gu, Yuan-yuan Wang, Nanjing Zhao, Meng Deshuo, Jianguo Liu, Ma Mingjun, Fang Li
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 137:39-45
The enrichment method of heavy metal in water with graphite and aluminum electrode was studied, and combined with plasma restraint device for improving the sensitivity of detection and reducing the limit of detection (LOD) of elements. For aluminum e
Autor:
Zheng Guo, Meng Yang, Xing-Jiu Huang, Tian-Jia Jiang, Ma Mingjun, Nanjing Zhao, Jinhuai Liu, Shan-Shan Li
Publikováno v:
Analytical Chemistry. 89:5557-5564
Traditional laser-induced breakdown spectroscopy (LIBS) always fails to directly detect target in aqueous solution due to rapid quenching of emitted light and adsorption of pulse energy by surrounding water. A method is proposed for the in situ under
Autor:
Zheng Guo, Meng Yang, Xing-Jiu Huang, Wenqing Liu, Tian-Jia Jiang, Nanjing Zhao, Fang Li, Shan-Shan Li, Ma Mingjun, Jinhuai Liu
Publikováno v:
Electrochimica Acta. 216:188-195
Rice is considered to be one of the dominant sources of exposure to Cd(II) for human being, thus monitoring the concentration of Cd(II) in rice is very important. The anti-interference ability for several current approaches (especially electrochemica
Autor:
Fang Li, Xing-Jiu Huang, Min Jiang, Jinhuai Liu, Nanjing Zhao, Ma Mingjun, Chu-Hong Lin, Meng Yang
Publikováno v:
Chemical Engineering Journal. 400:125972
The poor stability of the signal obtained on nonuniform substrate, which results from the obvious difference in the size of ablation spots, the uneven distribution of enriched analytes, and the severe matrix effect, seriously affecting the practical
Publikováno v:
Sensors and Actuators B: Chemical. 305:127486
Laser-induced breakdown spectroscopy (LIBS) has emerged as promising technology in view of its unique advantages and application in analysis of environmental samples. However, such a method encounters significant challenges in detecting arsenic and m
Autor:
Yao Jia, Wenqing Liu, Yan-hong Gu, Fang Li, Ma Mingjun, Jianguo Liu, Nanjing Zhao, Meng Deshuo
Publikováno v:
Applied Optics. 56:5204
In this work, a mobile laser-induced breakdown spectroscopy (LIBS) system has been successfully applied to in situ analysis of heavy metals in soil samples. The LIBS system had two working methods, which were a fixed measuring method and a handheld m
Autor:
Yan-hong Gu, Yao Jia, Nanjing Zhao, Ma Mingjun, Wenqing Liu, Yang Yu, Jianguo Liu, Fang Li, Meng Deshuo
Publikováno v:
Chinese Physics Letters. 33:085201
Due to its complicated matrix effects, rapid quantitative analysis of chromium in agricultural soils is difficult without the concentration gradient samples by laser-induced breakdown spectroscopy. To improve the analysis speed and accuracy, two cali