Optimization of the separation and identification of heavy metals present in cotton material has been performed by TLC-densitometry after microwave digestion of cotton samples. The best separation was achieved on precoated microcrystalline cellulose layers with acetonitrile-conc. HCl-water as mobile phase. Optimization of the composition of the ternary mobile phase was achieved by use of experimental design software. Plates were visualized with quercetin-dimethylglyoxime-NH 3 reagent. A highly sensitive CCD color video camera was used to capture the chromatograms under white light.
D.E. Brushwood , AATCC 2 (2002) 20–24.
Brushwood D.E. , '' (2002 ) 2 AATCC : 20 -24 .
D.E. Brushwood and H. Perkins , AATCC 26 (1994) 32–35.
Perkins H. , '' (1994 ) 26 AATCC : 32 -35 .
E. Stahl , Thin-Layer Chromatography — A Laboratory Handbook, Springer, Berlin, 1968.
Stahl E. , '', in Thin-Layer Chromatography — A Laboratory Handbook , (1968 ) -.
J. Sherma and B. Fried (Eds) Handbook of Thin-Layer Chromatography, Marcel Dekker, New York, 1991.
'', in Handbook of Thin-Layer Chromatography , (1991 ) -.
W. Markowski, K.L. Czapinska , and T. Baj , J. Planar Chromatogr. 16 (2003) 214–219.
Baj T. , '' (2003 ) 16 J. Planar Chromatogr. : 214 -219 .
K.T. Alben , Anal. Chem. 74 (2002) 222A–223A.
Alben K.T. , '' (2002 ) 74 Anal. Chem. : 222A -223A .
A. Mohammad and N. Jabeen , J. Planar Chromatogr. 16 (2003) 137–143.
Jabeen N. , '' (2003 ) 16 J. Planar Chromatogr. : 137 -143 .
W. Qin-Sun and Y. Bing-Wen , J. Planar Chromatogr. 9 (1996) 192–196.
Bing-Wen Y. , '' (1996 ) 9 J. Planar Chromatogr. : 192 -196 .
A. Mohammad, E. Iraqi , and Y. H. Sirwal , Sep. Sci. Technol. 38 (2003) 2255–2278.
Sirwal Y. H. , '' (2003 ) 38 Sep. Sci. Technol. : 2255 -2278 .
A.A. Ansari and B.D. Thakur , Colourage 11 (1999) 21–33.
Thakur B.D. , '' (1999 ) 11 Colourage : 21 -33 .
W.E. Hill, W.S. Perkins , and G.S. Sandlin , AATCC 25 (1996) 26–27.
Sandlin G.S. , '' (1996 ) 25 AATCC : 26 -27 .
U. Sewekow , Textile Chem. Color. 1 (1996) 21–27.
Sewekow U. , '' (1996 ) 1 Textile Chem. Color. : 21 -27 .
H.S. Freeman, J. Sokolowska-Gajda, A. Teife, L. D. Claxton , and V. S. Houk , Textile Chem. Color.27 (1995) 13–16.
Houk V. S. , '' (1995 ) 27 Textile Chem. Color. : 13 -16 .
J.W. Rucker, H.S. Freeman , and W. Hsu , Textile Chem. Color. 24 (1992) 66–71.
Hsu W. , '' (1992 ) 24 Textile Chem. Color. : 66 -71 .
K.K. Leonas and L. Michel , Am. Dyestuff Rep. 3 (1994) 26–34.
Michel L. , '' (1994 ) 3 Am. Dyestuff Rep. : 26 -34 .