N,N-Dimethyl Formamide Regulating Fluorescence of MXene Quantum Dots for the Sensitive Determination of Fe3+

Table 2 The results from three independent experiments when the Fe³⁺ with the concentration of 0.7 mM was added into the tap water

Test number	Fluorescent intensity (F)	Experimental results (mM)	Recovery (%)
1	453.62	0.73	104.57
2	458.12	0.72	103.25
3	478.86	0.69	98.0