On-spot quantification of modafinil in generic medicines purchased from the Internet using handheld Fourier transform-infrared, near-infrared and Raman spectroscopy

Journal of Analytical Science and Technology

Table 1 Modafinil tablets purchased from the Internet

Website number	Batch number	Dose (mg)	Modafinil concentration (% m/m)
1	1a	100	57.6
1	1b	100	62.9
2	2a	200	65.9
2	2b	200	72.7
3	3a	200	63.8
3	3b	200	66.3
4	4a	100	57.7
4	4b	100	62.8