Citation: Qian Ni, Zhao Chu Hu, Zheng Yu Bao, Ya Feng Zhang. Improved Cd determination in glasses by laser ablation inductively coupled plasma mass spectrometry using nitrogen as a matrix modifier[J]. Chinese Chemical Letters, ;2009, 20(1): 92-95. doi: 10.1016/j.cclet.2008.10.001 shu

Improved Cd determination in glasses by laser ablation inductively coupled plasma mass spectrometry using nitrogen as a matrix modifier

a State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China;
2.
Laboratory of No. 9 Gold Detachment, Chinese People's Arming Police Unit, Hainan 570216, China

Received Date: 9 July 2008

Fund Project: This research is supported by the National Natural Science Foundation of China (No. 40703006, 90714010, 40521001 and 40673019), the Ministry of Education of China (No. B07039, 306021 and GPMR2008) and China Postdoctoral Science Foundation.

The addition of 5-10 mL min^-1 nitrogen to the central channel of plasma in Laser ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) increases the sensitivities of Cd by a factor of 3 and decreases oxide interferences by one order of magnitude, which allows the direct analysis of trace levels of Cd in glass samples. This simple method shows a great potential for the direct determination of Cd in various kinds of samples.
- LA-ICP-MS,
- Cd,
- MPI-DING glass
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