原位低场核磁共振弛豫法定量监测光催化Cr(Ⅵ)还原反应
牛星星1,白志杰2,杨翼2,高杨文2,王雪璐1,*(
),姚叶锋1,*()
),姚叶锋1,*()
A Quantitative Study of Photocatalytic Reduction of Cr(Ⅵ) by Operando Low-Field NMR Relaxometry
Xing-xing NIU1,Zhi-jie BAI2,Yi YANG2,Yang-wen GAO2,Xue-lu WANG1,*(),Ye-feng YAO1,*()
),Ye-feng YAO1,*()
图10. Cr(Ⅲ)体系的(a)UV-Vis吸收光谱和(b) 吸光度随Cr(Ⅲ)离子浓度的变化；Cr(Ⅵ)-Cr(Ⅲ)混合体系（Cr(Ⅵ)-Cr(Ⅲ)的浓度梯度从20-0 mg/L到0-20 mg/L）的(c)UV-Vis吸收光谱和(d) 吸光度随混合体系中Cr(Ⅲ)离子浓度的变化
Fig.10. (a) UV-Vis absorption spectra, and (b) absorbance values variation with Cr(Ⅲ) concentrations in Cr(Ⅲ) systems; (c) UV-Vis absorption spectra, and (d) absorbance values variation with Cr(Ⅲ) concentrations in Cr(Ⅵ)-Cr(Ⅲ) systems with concentration gradients from 20-0 mg/L to 0-20 mg/L
