Analysis of Some Trace Metals in Fish Species after Preconcentration with Congo Red on Amberlite XAD-7 Resin by Flame Atomic Absorption Spectrometry

Table 5

Concentration (mg/kg) of metals in different parts of the fish species ().

Fish	Cu(II)	Ni(II)	Fe(III)	Zn(II)	Cr(III)	Cd(II)	Pb(II)
Dicentrarchus labrax
Scale
Skin
Muscle		<LOD					<LOD
Gill		<LOD
Liver							<LOD
Sparus aurata
Scale				<LOD
Skin					<LOD		<LOD
Muscle				<LOD	<LOD
Gill				<LOD	<LOD		<LOD
Mullus barbatus
Scale				<LOD
Skin		<LOD		<LOD
Muscle				<LOD	<LOD		<LOD
Gill					<LOD
Merlangius merlangus euxinus
Skin				<LOD
Muscle		<LOD		<LOD	<LOD
Gill	<LOD	<LOD		<LOD	<LOD

  ± SD (standard deviation) of determination in three separate 1 g tissue type samples.