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Journal of Analytical Science and Technology
Fig. 1 | Journal of Analytical Science and Technology

Fig. 1

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

Fig. 1

MSCD1 treated (a) FTIR spectrum modafinil tablets. b FTIR spectrum of pure modafinil. c FTIR spectrum lactose monohydrate. d NIR spectrum modafinil tablets. e NIR spectrum of pure modafinil. f NIR spectrum lactose monohydrate. g Raman spectrum modafinil tablets. h Raman spectrum of pure modafinil. i Raman spectrum lactose monohydrate measured using the Bruker Alpha FTIR, JDSU microNIR and Rigaku handheld Raman instruments, respectively

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