Quantitative Determination of Chlormequat Chloride Residue in Wheat Using Surface-Enhanced Raman Spectroscopy

Table 3

Predicted results of chlormequat chloride in wheat using SERS, SVR, and KPCA.

Spiked value (μg/g)	Mean predicted value (mg/L)	Standard deviation (mg/L)	Recovery (%)
10	9.96	0.066	99.6
5	4.74	0.042	94.7
2.5	2.614	0.064	104.6
1	1.012	0.014	101.2
0.5	0.479	0.007	95.8
0.25	0.242	0.025	96.8