Materials Reports  2019, Vol. 33 Issue (z1): 310-313 |
| METALS AND METAL MATRIX COMPOSITES |
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| Colorimetric Detection of Hydrazine in Water Samples Based on Formation of Gold Nanoparticles |
| YAO Xu1, ZHANG Guangyou2, LIU Bo1, XIE Zheng1, WANG Xuanjun1
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1 No. 207 Office, Rocket Force University of Engineering, Xi’an 710025
2 Center for Propellants Determination and Protection, Space Systems Division, Beijing 100101 |
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Abstract Amethod was established to rapidly detect hydrazine in water based on the surface plasmon resonance of gold nanoparticles. The optimal rea-ction conditions were studied through single factor tests. The linear range, detection limit, repeatability and selectivity of the detection me-thod were determined and the application of the method in actual water samples was investigated. The results show that The optimum reaction conditions are pH value 11, the PVP concentration 8 g·L-1, the chloroauric acid concentration 3 mmol/L, and the reaction time 5 min. The linear range of the method is 2—100 μmol/L (r = 0.997). The limit (3Sb) is 0.52 μmol/L. The relative standard deviation (RSD) for determination of 10 μmol/L and 50 μmol/L of hydrazine is 3.7% and 2.4% (n = 6), respectively. The method has good selectivity and can successfully detect hydrazine in tap water and lake water samples, and the recovery rate is 95.3%—98.6%.
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Published: 05 July 2019
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| About author:: Xu Yao graduated from the Second Artillery Enginee-ring University in December 2014 with a master′s degree in engineering. He is currently a Ph.D. student of the Rocket Force University of Engineering. His research direction is the rapid detection of hydrazine fuels.Xuanjun Wang received his Ph.D. degree in energetic materials from Nanjing University of Science and Technology (NUST) in 1998. He became a professor of Rocket Forc University of Engineering in 2001. His research interests focus on special energy science and technology. |
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