期刊论文

Resonance light scattering study of potassium bromate-fluorescence yellow-bisphenol A system and its application

中文

应用化工

1671-3206

2019

48

7

1758-1762

10.16581/j.cnki.issn1671-3206.20190523.096

湖南省教育厅重点课题（14A123）； 湖南省科技厅科技计划重点课题（2015SK2001）；

本校为第一机构

建立了一种新的共振光散射法检测水中双酚A(BPA)的方法。水样中依次加入0. 60 mL硫酸溶液(0. 10 mol/L) 、0. 50 mL荧光黄溶液(1. 0 ×10~(-4) mol/L) 、0. 40 mL溴酸钾溶液(0. 10 mol/L), 70 ℃水浴加热反应15 min,流动自来水冷却(以终止反应),在489 nm处测定共振光散射强度。结果表明,体系共振光散射强度的增大值(ΔI)与BPA含量在0. 04 ~ 4. 60 μg/mL范围内成正比,线性回归方程为ΔI=8 842. 4c+ 1 328. 7,r=0. 999 3。方法的检出限为0. 019 μg/mL,回收率为97. 5% ~ 103%,RSD为2. 51% ~ 4. 98%。在1 μg/mL的BPA存在下, 2 000倍的Na~+,1 000倍的CO_3~(2-), 300倍Ca~(2+)、Al~(3+), 150倍Cu~(...

A new resonance light scattering method was developed for the determination of bisphenol A in water sample. In water sample,0. 60 mL H_2SO_4 solution of 0. 10 mol/L,0. 50 mL FL solution of 1. 0 × 10~(-4) mol/L,0. 40 mL KBrO_3 solution of 0. 10 mol/L were added in turn, the resonance light scattering intensity of BPA was determined at 489 nm after reaction 15 min at the temperature of 70 ℃ heating in water bath and flowing tap water to stop the reaction. Results showed that the increasing of resonance light scattering intensity (ΔI) of the sy...