Determination of Metal Contents of Various Fibers Used in Textile Industry by MP-AES

Table 3

Heavy metal contents (mg kg⁻¹) in various textile fibers after wet digestion (average of replicates ± standard deviation).

Textile fibers	Fe	Cd	Cu	Ni	Al	Mn	Pb	Cr	Zn	Co	Tl
Cotton	80.13 ± 5.10	11.86 ± 0.73	5.84 ± 0.32	2.19 ± 0.14	103.13 ± 6.65	2.49 ± 0.15	23.44 ± 1.40	0.97 ± 0.06	nd	nd	0.22 ± 0.01
Acrylic	79.83 ± 4.91	6.21 ± 0.40	3.85 ± 0.22	1.58 ± 0.10	96.48 ± 5.88	1.55 ± 0.07	18.84 ± 1.15	0.70 ± 0.04	nd	nd	nd
Polyester	67.46 ± 4.10	8.46 ± 0.52	5.00 ± 0.30	2.03 ± 0.13	69.78 ± 4.20	1.03 ± 0.07	19.90 ± 1.21	0.76 ± 0.04	nd	nd	0.47 ± 0.03
Nylon	54.48 ± 3.31	6.05 ± 0.40	3.31 ± 0.20	1.89 ± 0.12	47.47 ± 2.90	1.13 ± 0.07	20.34 ± 1.27	0.71 ± 0.04	nd	nd	0.40 ± 0.03
Viscose	50.02 ± 3.20	nd	4.40 ± 0.28	2.42 ± 0.16	53.72 ± 3.20	0.91 ± 0.06	24.41 ± 1.53	0.11 ± 0.001	nd	2.06 ± 0.13	nd
Polypropylene	43.44 ± 2.65	nd	3.48 ± 0.21	1.53 ± 0.09	39.47 ± 2.44	0.59 ± 0.04	19.41 ± 1.14	0.83 ± 0.05	nd	nd	1.23 ± 0.09

nd: not detected.