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Quantitative Analytical Chemistry
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Quantitative analytical chemistry is a cornerstone course in the undergraduate curriculum at higher agricultural institutions. The comprehensive coverage of this textbook encompasses fundamental knowledge, classical methods, and modern techniques in quantitative analytical chemistry. Each analytical method is meticulously explained, with detailed discussions on principles, operational steps, data processing, and result interpretation. The textbook includes numerous practical examples and exercises to reinforce and apply the acquired knowledge, emphasizing theoretical exposition, and practical application. This textbook is an ideal bilingual teaching resource for undergraduates studying biotechnology, agronomy, plant protection, food science, environmental science, animal science, horticulture, tobacco science, applied chemistry, and bioengineering at higher agricultural and forestry institutions. Additionally, it is an invaluable reference for graduate students and scientific researchers specializing in chemical analysis.
Table of Contents
Chapter 1 Introduction
1.1 Tasks and Functions of Analytical Chemistry
1.2 Classification of Analytical Chemistry Methods
1.3 General Procedure for Quantitative Analysis
Chapter 2 Experimental Error and Statistics
2.1 Significant Figures
2.1.1 Significant Figures in Mass
2.1.2 Significant Figures in Arithmetic
2.2 Types of Error
2.2.1 Systematic Error
2.2.2 Random Error
2.2.3 Precision and Accuracy
2.2.4 Absolute and Relative Uncertainty
2.3 Statistics
2.3.1 Gaussian Distribution
2.3.2 Mean Value and Standard Deviation
2.3.3 Significant Figures in Mean and Standard Deviation
2.4 Confidence Intervals
2.4.1 Calculating Confidence Intervals
2.4.2 Meaning of a Confidence Interval
2.4.3 Standard Deviation and Confidence Interval as Estimates of Experimental Uncertainty
2.5 Comparison of Means with Student's Test
2.6 Comparison of Standard Deviations with the F Test
2.7 Test for an Outlier
2.7.1 Q Test for an Outlier
2.7.2 Grubbs Test for an Outlier
Chapter 3 Introduction to Titrimetric Analysis
3.1 Overview
3.1.1 Characteristics of Titration Analysis Methods
3.1.2 Requirements for Titration Reactions in Titration Analysis
3.1.3 Methods of Titration Analysis
3.1.4 Approach to Conducting Titration Analysis
3.2 Standard Solution
3.2.1 Methods of Representing Standard Solution Concentration
3.2.2 Methods of Preparing a Standard Solution
3.3 Calculation of Titration Analysis
3.3.1 Calculation Related to Solution Preparation
3.3.2 Calculation Relationship Between the Quantities of Reactants
3.3.3 Calculation of Analysis Results
3.4 Errors in Titration Analysis
3.4.1 Method Error
3.4.2 Weighing Error
3.4.3 Error in Measuring Volume
3.4.4 Operational Negligence or Error
Chapter 4 Acid Base Titrations
4.1 Visual Indicators for Acid Base Titrations
4.2 Mixed Indicators
4.3 Neutralization Curves
4.4 Neutralization of a Strong Acid with a Strong Base
4.5 Neutralization of a Weak Acid with a Strong Base
4.6 Neutralization of a Weak Base with a Strong Acid
4.7 Neutralization of a Polyprotic Acid with a Strong Base
4.8 Determination of a Mixture of Carbonate and Hydroxide
4.9 Determination of a Mixture of Carbonate and Hydrogen Carbonate
Chapter 5 Precipitation Titration and Gravimetric Analysis
5.1 Precipitation Titration
5.1.1 Introduction
5.1.2 Principle of Argentometry
5.1.3 Determining the Endpoint
5.2 Gravimetric Analysis
5.2.1 Introduction
5.2.2 General Process of Gravimetric Analysis
5.2.3 Solubility of Precipitate and Effect Factor of Solubility
5.2.4 Precipitation Formation and Selection of Precipitation Condition
5.2.5 Purity of Precipitation
5.2.6 Filtration, Washing, Drying, and Ignition of Precipitation
5.2.7 Calculation of Gravimetric Analysis
Chapter 6 Complexometric Titration
6.1 Overview
6.1.1 Inorganic Ligands and Simple Complexes
6.1.2 Organic Ligands and Chelate Complexes
6.1.3 Ethylenediaminetetra acetic Acid(EDTA)
6.1.4 EDTA Metal Ion Complexes
6.1.5 Formation Constants of Complexes
6.1.6 Side Reaction Coefficient and Conditional Formation Constant
6.2 Metal Ion Indicators
6.2.1 Principle of Metal Ion Indicator
6.2.2 Theoretical Discoloration Point of Metal Ion Indicator
6.2.3 Common Metal Ion Indicator
6.2.4 Announcements of Using Metal Ion Indicator
6.3 Complexometric Titration Curve
6.3.1 Curve Drawing
6.3.2 Factors Affecting the Range of Titration Jump
6.4 Conditions of Complexometric Titration
6.4.1 Single Metal Ion Titration
6.4.2 Selective Titration of Mixed Ions
6.5 EDTA Titration Methods
6.5.1 Direct Titration
6.5.2 Back Titration
6.5.3 Displacement Titration
6.5.4 Indirect Titration
Chapter 7 Redox Titration
7.1 Characteristics of Redox Titration