Determination of N-Heptyl Pyridine Tetrafluoroborate in Ethanol

Abstract:

N-heptyl-pyridine tetrafluoroborate is prepared by the double decomposition reaction of HEPB and NaBF₄. The ionic liquid at room temperature used in the experiment has a significant absorption determined by UV spectrum within the range of 200-400nm, the maximum absorption wavelength of HEP-BF₄ ionic liquid in ethanol is 244nm. The standard working curve of HEP-BF₄ ionic liquid is y=0.00441+0.01563x (R=0.99912). The linear range of HEP-BF₄ ionic liquids in the ethanol is 1-75 mg/L. The recovery rate of HEP-BF₄ ionic liquid which is between 96.6% and 102%, is measured by standard addition method in ethanol.

• Periodical: Applied Mechanics and Materials (Volume 685)
• Pages: 110-113
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.685.110
• Online since: October 2014
• Authors: Lu Yu, Peng Tian*, Shi Gang Xin, Hong Lin Ding
• Keywords: Ethanol, N-Heptyl-Pyridine Tetrafluoroborate, UV-Spectrum

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