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Table 2 Concentration of different elements from EDX data

From: A study on the effect of different chemical routes on functionalization of MWCNTs by various groups (-COOH, -SO₃H, -PO₃H₂)

Element	C		O		P		S
Sample	(w.%)	(at.%)	(w.%)	(at.%)	(w.%)	(at.%)	(w.%)	(at.%)
FPCNT01	82	87	16	14	-	-	0.60	0.24
PhCNT01	24	34	50	52	25	13	-	-
FCNT03	78	83	18	15	-	-	-	-
DFCNT03	86	89	13	10	-	-	0.34	0.13

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