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Citation: WANG Jian, TAN Ke-Jun, HUANG Cheng-Zhi. Determination of Trace Amount of Barium in Ternary System of Ba^{2+^{-PEG-TPB by Light Scatterin[J]. Chinese Journal of Applied Chemistry,
;2007, 24(11): 1337-1339.}} shu

Determination of Trace Amount of Barium in Ternary System of Ba^{2+^{-PEG-TPB by Light Scatterin}}

1.
School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715

Corresponding author: HUANG Cheng-Zhi,
Received Date: 24 December 2006
Available Online: 16 February 2007
Fund Project: 国家自然科学基金资助项目(20425517) (20425517)

In a HAc-NaAc buffer solution of pH=5.2, the light scattering signals of barium and sodium tetraphenylboron at 287 nm could be enhanced obviously in the presence of polyethylene glycol 600, and on the basis of this, a sensitive and simple method is presented here to provide a way to detect trace amount of barium. The enhanced light scattering signals were proportional to the concentration of Ba²⁺ in the range of 3.00×10^-8~3.43×10^-6 g/mL, and the limit of detection was 2.80×10^-9 g/mL. Additionally, the recovery of trace amount of barium in the synthetic samples was between 97.8% and 103.6%.
- Barium,
- polyethylene glycol 600,
- sodium tetraphenylboron,
- light scattering analytical method
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Determination of Trace Amount of Barium in Ternary System of Ba2+-PEG-TPB by Light Scatterin

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Determination of Trace Amount of Barium in Ternary System of Ba^{2+^{-PEG-TPB by Light Scatterin}}