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

Table 2

Predicted results of 15, 8, 4, and 2 mg/L of chlormequat chloride in wheat extraction solution using SERS, SVR, and KPCA.

Spiked value (μg/g)	Mean predicted value (mg/L)	Standard deviation (mg/L)	Recovery (%)
15	14.87	0.066	99.1
8	8.18	0.091	102.3
4	3.90	0.052	97.4
2	2.21	0.102	110.3