High Performance Thin Layer Chromatography (HPTLC) is a modern and advanced version of thin layer chromatography (TLC), a widely used separation technique in analytical chemistry. HPTLC offers higher resolution, sensitivity, and reproducibility compared to traditional TLC, making it suitable for qualitative and quantitative analysis of complex mixtures. HPTLC operates by spotting a sample onto a thin layer of stationary phase coated on a glass or aluminum plate, followed by development in a solvent system. The separated components are visualized and quantified using various detection methods such as UV absorption, fluorescence, or derivatization. HPTLC is utilized in pharmaceuticals, food and beverage, cosmetics, forensic science, and environmental analysis for quality control, impurity profiling, and identification of compounds. It offers advantages such as rapid analysis, minimal sample preparation, and cost-effectiveness. HPTLC is highly versatile and can separate a wide range of compounds including small molecules, natural products, drugs, and polymers. Ongoing advancements in plate technology, automation, and software improve the efficiency and accuracy of HPTLC analysis. Collaboration between researchers, manufacturers, and regulatory agencies ensures the development and standardization of HPTLC methods for diverse applications in analytical chemistry.
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