. 2014 Nov 20;14(11):21968–21980. doi: 10.3390/s141121968

Table 1.

Raman shifts of characteristic signal peaks, which were used to identify the respective substances.

Specimen	PS	PMMA	Paracetamol	Aspirin	Caffeine
Sample (I)	1035 cm⁻¹	600 cm⁻¹
Sample (II)	-	-	800 cm⁻¹	752 cm⁻¹	-
Sample (III)	-	-	860 cm⁻¹	1047 cm⁻¹	1703 cm⁻¹