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Fundamentals of Quantitative Chemical Analysis and Sample Preparation
Fundamentals of Quantitative Chemical Analysis and Sample Preparation
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The course Fundamentals of Quantitative Chemical Analysis and Sample Preparation covers both the concepts and practices for precisely determining the quantity and concentration of substances in samples. It covers the main analytical techniques — gravimetry, volumetric analysis, spectroscopy, and electroanalytical methods — and emphasizes experimental error control, distinguishing systematic errors (which affect accuracy) and random errors (which affect precision), as well as the correct use of significant figures.
The material highlights the importance of representative sampling and proper sample preparation, including wet digestions (with strong acids such as HF and aqua regia) and dry fusions for refractory materials, ensuring homogeneous solutions for instrumental analyses.
The integration of these steps, from collection and preparation through statistical analysis, consolidates analytical chemistry as a strategic tool for industrial quality control, essential in sectors such as steel, pharmaceutical, food, and environmental, ensuring safety and reliability of the final product.
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