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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,*()
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,*()

图9. Cr(Ⅵ)-Cr(Ⅲ)混合体系的(a) CMPG衰减曲线，(b) T2和(c) 1/T2随离子浓度（Cr(Ⅵ)-Cr(Ⅲ)的浓度梯度从20-0 mg/L到0-20 mg/L）的变化

Fig.9. (a) Normalized CPMG decay curves, (b) T2 and (c) 1/T2 variations with the concentrations of Cr(Ⅲ) in Cr(Ⅵ)-Cr(Ⅲ) systems with concentration gradients from 20-0 mg/L to 0-20 mg/L