Contents0. Preamble 0.1 Sources of the Material Incorporated in the Compendium 0.2 General Principles of Nomenclature Standardization 0.3 Physical Quantities: Ways of Naming Physical Quantities 0.4 Scope and Treatment of the Present Compendium 1. Recommendations for the Presentation of the Results of chemical analysis 1.1 Introduction 1.2 General Terms 1.3 Reliability of Results 1.4 Expression of Results 1.5 Symbols 1.6 Methods of Computation 1.7 Appendix 2. Recommendations for Terminology to be Used with Precision Balances 2.1 Introduction 2.2 Terminology 2.3 Glossary of Terms 3. Recommended Nomenclature for Scales of Working in Analysis 3.1 Introduction 3.2 Sample Weight Classification 3.3 Constituent Content Classification4. Recommendations on Nomenclature for Contamination Phenomena in Precipitation from Aqueous Solution 4.1 Introduction 4.2 Definitions 5. Recommended Nomenclature for Automatic Analysis 5.1 Introduction 5.2 Recommended Terminology 6. Recommendations for Nomenclature of Thermal Analysis 6.1 General Recommendations 6.2 Terminology 6.3 Definitions and Conventions 7. Recommendations for Nomenclature of Mass Spectrometry 8. Recommended Nomenclature for Titrimetric Analysis 9. Report on the Standardization of pH and Related Technology 9.1 Introduction 9.2 Symbols 9.3 Operational Definition of pH 9.4 Standards For Measurement of pH 9.5 Ionic Activity Coefficients 9.6 Ph of Standard Solutions 9.7 Approximate Interpretation of pH 9.8 The Abbreviation pH10. Practical Measurement of pH in Amphiprotic and Mixed Solvents 10.1 Introduction 10.2 The Operational pH Scale 10.3 Interpretation of the Measured pH 10.4 Extension to Other,Solvents 10.5 Selection of a pH Unit For Amphiprotic Solvents 10.6 Operational Ph Scale For Amphiprotic Solvents 10.7 Reference Solutions For Values of Ph Amphiprotic Solvents 10.8 Accuracy of Practical Scales 11. Recommended Symbols for Solution Equilibria 11.1 Introduction 11.2 General Rules 11.3 Complex Formation Equilibria 11.4 Solubility Equilibria 11.5 Liquid-Liquid Distribution Equilibria 12. Recommended Nomenclature for Liquid-Liquid Distribution 13. Recommendations on Nomenclature and Presentation of Data in Gas Chromatography 13.1 Introduction 13.2 Name of Technique 13.3 Apparatus 13.4 Reagents 13.5 Chromatographie Records 13.6 Retention Parameters 13.7 Recommendations: Retention Data 13.8 Apparatus Performance 13.9 Discussion 13.10 Table of Terms 14. Recommendations on Nomenclature for Chromatography 14.1 Chromatography 14.2 Principal Methods 14.3 Classification According to Phases Used 14.4 Classification According to Mechanisms 14.5 Classification According to Techniques Used 14.6 Terms For Special Techniques 14.7 Terms Relating to the Method in General 14.8 Terms Relating to the Separation Process and the Apparatus 14.9 Terms Relating to Quantitative Evaluation and the Theory of Chromatography 14.10 Appendix and List of Symbols 15. Recommendations on Ion Exchange Nomenclature 15.1 Introduction 15.2 Definitions 16. Nomenclature, Symbols, Units and Their Usage in Spectrochemical Analysis-I. General Atomic Emission Spectroscopy 16.1 Foreword 16.2 General Recommendations and Practices 16.3 Terms and Symbols For Physical Quantities in General Use 16.4 Terms, Symbols, and Units Related to Radiant Energy 16.5 Terms and Symbols for the Description of Spectrographic Instruments 16.6 Terms and Symbols Related to the Analytical Procedures 16.7 Terms and Symbols Related to Fundamental Processes Occurring in Light Excitation Sources 16.