Analytical and Forensic Toxicology
Analytical and Forensic Toxicology
Analytical and Forensic Toxicology
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Thin Layer<br />
Chromatography<br />
• Extracts dissolved in a solvent<br />
• Placed on thin layer of silica gel<br />
• Plates placed vertically in closed tank<br />
• Solvent drawn upwards thru the gel<br />
• Xenobiotics are drawn up the gel<br />
• Hydrophobic rapidly<br />
• Hydrophilic slowly