Using PDMS Plasma Cavity SERS Substrate for the Detection of Aspartame

Table 1

Predicted results of aspartame in purified water (n = 3).

Spiked (mg/L)	Detected (mg/L)	Recovery (%)	Relative standard deviation (%)
0.0125	0.01277	102.16	0.121
0.0275	0.0292	106.18	0.496
0.0425	0.0428	100.74	0.372