Colorimetric Detection of Hydrazine in Water Samples Based on Formation of Gold Nanoparticles
YAO Xu1, ZHANG Guangyou2, LIU Bo1, XIE Zheng1, WANG Xuanjun1
1 No. 207 Office, Rocket Force University of Engineering, Xi’an 710025 2 Center for Propellants Determination and Protection, Space Systems Division, Beijing 100101
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%.
姚旭, 张光友, 刘博, 谢拯, 王煊军. 基于纳米金生长比色检测水体中的肼[J]. 材料导报, 2019, 33(z1): 310-313.
YAO Xu, ZHANG Guangyou, LIU Bo, XIE Zheng, WANG Xuanjun. Colorimetric Detection of Hydrazine in Water Samples Based on Formation of Gold Nanoparticles. Materials Reports, 2019, 33(z1): 310-313.
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2019, Vol. 33 
