Tab Article

SECTION 1: BASIC CONSTANTS, UNITS, AND CONVERSION FACTORS
CODATA Recommended Values of the Fundamental Physical Constants: 2019
Standard Atomic Weights (2013)
Atomic Masses and Abundances
Electron Configuration and Ionization Energy of Neutral Atoms in the Ground State
International Temperature Scale of 1990 (ITS-90)
International System of Units (SI)
Units for Magnetic Properties
Conversion Factors for Energy Units
Conversion Factors for Pressure Units
Descriptive Terms for Solubility
Values of the Gas Constant in Different Unit Systems
Periodic Table of the Elements
Standard Atomic Weights in Atomic Order Number
Fundamental Physical Constants - Frequently Used Constants
Definition of Ambient
Conversion Factors for Thermal Conductivity Units

SECTION 2: SYMBOLS, TERMINOLOGY, AND NOMENCLATURE
Symbols and Terminology for Physical and Chemical Quantities
Expression of Uncertainty of Measurements
Nomenclature for Chemical Compounds
Nomenclature for Inorganic Chemistry
Representation of Chemical Structures with the IUPAC International Chemical Identifier (InChI)
Scientific Abbreviations, Acronyms, and Symbols
Thermodynamic Functions and Relations
Nobel Laureates in Chemistry and Physics

SECTION 3: PHYSICAL CONSTANTS OF ORGANIC COMPOUNDS
Physical Constants of Organic Compounds
Diamagnetic Susceptibility of Selected Organic Compounds

SECTION 4: PROPERTIES OF THE ELEMENTS AND INORGANIC COMPOUNDS
The Elements
Physical Constants of Inorganic Compounds
Physical Properties of the Rare Earth Metals
Melting, Boiling, Triple, and Critical Points of the Elements
Heat Capacity of the Elements at 25 °C
Vapor Pressure of the Metallic Elements - Equations
Vapor Pressure of the Metallic Elements - Data
Density of Molten Elements and Representative Salts
Magnetic Susceptibility of the Elements and Inorganic Compounds
Index of Refraction of Inorganic Liquids and Liquid Elements
Physical and Optical Properties of Minerals
Crystallographic Data on Minerals

SECTION 5: THERMOCHEMISTRY, KINETICS, ELECTROCHEMISTRY, AND SOLUTION CHEMISTRY
CODATA Key Values for Thermodynamics
Standard Thermodynamic Properties of Chemical Substances
Thermodynamic Properties as a Function of Temperature
Thermodynamic Properties of Aqueous Ions
Heat of Combustion
Energy Content of Fuels
Chemical Reaction Rate Constants for Atmospheric Studies
Ionization Constant of Water at Various Temperatures and Pressures
Ionization Constant of Normal and Heavy Water at Saturated Vapor Pressure
Electrical Conductivity of Water
Electrical Conductivity of Aqueous Solutions
Standard KCl Solutions for Calibrating Electrical Conductivity Cells
Molar Electrical Conductivity of Aqueous HF, HCl, HBr, and HI
Molar Electrical Conductivity of Electrolytes in Aqueous Solution
Ionic Conductivity and Diffusion at Infinite Dilution
Electrochemical Series
Dissociation Constants of Inorganic Acids and Bases
Dissociation Constants of Organic Acids and Bases
Activity Coefficients of Acids, Bases, and Salts
Mean Activity Coefficients of Electrolytes as a Function of Concentration
Enthalpy of Dilution of Acids
Enthalpy of Solution of Electrolytes
pH Scale for Aqueous Solutions
Buffer Solutions Giving Round Values of pH at 25 °C
Concentrative Properties of Aqueous Solutions
Solubility of Selected Gases in Water
Solubility of Carbon Dioxide in Water at Various Temperatures and Pressures
Aqueous Solubility and Henry's Law Constants of Organic Compounds
Aqueous Solubility of Inorganic Compounds at Various Temperatures
Octanol-Water Partition Coefficients
Solubility Product Constants of Inorganic Salts
Solubility of Common Salts at Various Temperatures
Solubility of Hydrocarbons in Seawater
Solubility of Organic Compounds in Pressurized Hot Water
Solubility Chart for Inorganic Salts

SECTION 6: FLUID PROPERTIES
Thermophysical Properties of Water and Steam
Vapor Pressure and Other Saturation Properties of Water
Standard Density of Water
Fixed-Point Properties of H2O and D2O
Properties of Saturated Liquid D2O
Properties of Ice and Supercooled Water
Vapor Pressure of Ice
Melting Point of Ice as a Function of Pressure
Permittivity (Dielectric Constant) of Water at Various Frequencies
Thermophysical Properties of Air
Thermophysical Properties of Fluids
Thermophysical Properties of Selected Fluids at Saturation
Virial Coefficients of Selected Gases
Mean Free Path and Related Properties of Gases
Influence of Pressure on Freezing Points
Critical Constants of Organic Compounds
Critical Constants of Inorganic Compounds
Sublimation Pressure of Solids
Vapor Pressure
Vapor Pressure of Fluids at Temperatures below 300 K
Vapor Pressure of Saturated Salt Solutions
Enthalpy of Vaporization
Enthalpy of Fusion
Compressibility and Expansion Coefficients of Liquids
Temperature and Pressure Dependence of Liquid Density
Properties of Cryogenic Fluids
Properties of Liquid Helium
Properties of Refrigerants
Properties of Gas Clathrate Hydrates
Ionic Liquids
Surface Tension of Common Liquids
Surface Tension of Aqueous Mixtures
Surface Active Chemicals (Surfactants)
Permittivity (Dielectric Constant) of Liquids
Permittivity (Dielectric Constant) of Gases
Azeotropic Data for Binary Mixtures
Viscosity of Gases
Viscosity of Liquids
Thermal Conductivity of Gases and Refrigerants
Thermal Conductivity of Liquids
Diffusion in Gases
Diffusion of Gases in Water
Diffusion Coefficients in Liquids at Infinite Dilution

SECTION 7: BIOCHEMISTRY
Properties of Amino Acids
Structures of Common Amino Acids
Properties of Purine and Pyrimidine Bases
The Genetic Code
Properties of Fatty Acids and Their Methyl Esters
Composition and Properties of Common Oils and Fats
Carbohydrate Names and Symbols
Standard Transformed Gibbs Energies of Formation for Biochemical Reactants
Apparent Equilibrium Constants for Enzyme-Catalyzed Reactions
Apparent Equilibrium Thermodynamics of Protein-Ligand Binding Reactions
Thermodynamic Quantities for the Ionization Reactions of Buffers in Water
Biological Buffers
Typical pH Values of Biological Materials and Foods
Structure and Functions of Some Common Drugs
Properties of Controlled Substances
Chemical Constituents of Human Blood
Chemical Composition of the Human Body

SECTION 8: ANALYTICAL CHEMISTRY
Abbreviations and Symbols Used in Analytical Chemistry
Basic Instrumental Techniques of Analytical Chemistry
Analytical Standardization and Calibration
Figures of Merit
Mass- and Volume-Based Concentration Units
Detection of Outliers in Measurements
Properties of Carrier Gases for Gas Chromatography
Common Symbols Used in Gas and Liquid Chromatographic Schematic Diagrams
Stationary Phases for Porous Layer Open Tubular Columns
Coolants for Cryotrapping
Properties of Common Cross-Linked Silicone Stationary Phases
Detectors for Gas Chromatography
Varieties of Hyphenated Gas Chromatography with Mass Spectrometry
Gas Chromatographic Retention Indices
Pressure Drop in Open Tubular Gas Chromatographic Columns
Phase Ratios for Capillary Columns
Minimum Recommended Injector Split Ratios for Capillary Columns
Eluotropic Values of Solvents on Octadecylsilane and Octylsilane
Instability of HPLC Solvents
Detectors for Liquid Chromatography
Solvents for Ultraviolet Spectrophotometry
Correlation Table for Ultraviolet Active Functionalities
Middle-Range Infrared Absorption Correlation Charts
Common Spurious Infrared Absorption Bands
Nuclear Spins, Moments, and Other Data Related to NMR Spectroscopy
Properties of Important NMR Nuclei
Proton NMR Absorption of Major Chemical Families
Proton NMR Correlation Chart for Major Organic Functional Groups
Proton NMR Shifts of Common Organic Liquids
Proton Chemical Shifts of Contaminants in Deuterated Solvents
13C-NMR Absorptions of Major Functional Groups
13C-NMR Chemical Shifts of Common Organic Solvents
15N-NMR Chemical Shifts of Major Chemical Families
Natural Abundance of Important Isotopes
Common Mass Spectral Fragmentation Patterns of Organic Compound Families
Common Mass Spectral Fragments Lost
Major Reference Masses in the Spectrum of Heptacosafluorotributylamine (Perfluorotributylamine)
Mass Spectral Peaks of Common Organic Liquids
Common Spurious Signals Observed in Mass Spectrometers
Chlorine-Bromine Combination Isotope Intensities in Mass-Spectral Patterns
Reduction of Weighings in Air to Vacuo
Standards for Laboratory Weights
Indicators for Acids and Bases
Preparation of Special Analytical Reagents
Organic Analytical Reagents for the Determination of Inorganic Ions

SECTION 9: MOLECULAR STRUCTURE AND SPECTROSCOPY
Bond Lengths in Crystalline Organic Compounds
Bond Lengths in Organometallic Compounds
Structure of Free Molecules in the Gas Phase
Characteristic Bond Lengths in Free Molecules
Atomic Radii of the Elements
Dipole Moments
Hindered Internal Rotation
Bond Dissociation Energies
Electronegativity
Force Constants for Bond Stretching
Fundamental Vibrational Frequencies of Small Molecules
Spectroscopic Constants of Diatomic Molecules

SECTION 10: ATOMIC, MOLECULAR, AND OPTICAL PHYSICS
Summary Tables of Particle Properties
Persistent Lines of Neutral Atomic Elements
Atomic Transition Probabilities
Electron Affinities
Proton Affinities
Polarizabilities of Atoms and Molecules
Ionization Energies of Atoms and Atomic Ions
Ionization Energies of Gas-Phase Molecules
Attenuation Coefficients for High-Energy Electromagnetic Radiation
Classification of Electromagnetic Radiation
Sensitivity of the Human Eye to Light of Different Wavelengths
Blackbody Radiation
Characteristics of Infrared Detectors
Index of Refraction of Inorganic Crystals
Refractive Index and Transmittance of Representative Glasses
Index of Refraction of Water
Index of Refraction of Liquids for Calibration Purposes
Index of Refraction of Air
Index of Refraction of Gases

SECTION 11: NUCLEAR AND PARTICLE PHYSICS
Table of the Isotopes
Neutron Scattering and Absorption Properties
Cosmic Radiation

SECTION 12: PROPERTIES OF SOLIDS
Techniques for Materials Characterization
Symmetry of Crystals
Ionic Radii in Crystals
Polarizability of Atoms and Ions in Solids
Crystal Structures and Lattice Parameters of Allotropes of the Elements
Phase Transitions in the Solid Elements at Atmospheric Pressure
The Madelung Constant and Crystal Lattice Energy
Elastic Constants of Single Crystals
Electrical Resistivity of Pure Metals
Electrical Resistivity of Selected Alloys
Electrical Resistivity of Graphite Materials
Permittivity (Dielectric Constant) of Inorganic Solids
Curie Temperature of Selected Ferroelectric Crystals
Properties of Antiferroelectric Crystals
Dielectric Constants of Glasses
Properties of Superconductors
High-Temperature Superconductors
Organic Superconductors
Properties of Semiconductors
Selected Properties of Semiconductor Solid Solutions
Properties of Organic Semiconductors
Diffusion Data for Semiconductors
Properties of Magnetic Materials
Organic Magnets
Electron Inelastic Mean Free Paths
Electron Stopping Powers
Electron Work Function of the Elements
Secondary Electron Emission
Optical Properties of Selected Elements
Optical Properties of Selected Inorganic and Organic Solids
Properties of Selected Materials at Cryogenic Temperatures
Heat Capacity of Selected Solids
Thermal and Physical Properties of Pure Metals
Thermal Conductivity of Metals and Semiconductors as a Function of Temperature
Thermal Conductivity of Alloys as a Function of Temperature
Thermal Conductivity of Crystalline Dielectrics
Thermal Conductivity of Ceramics and Other Insulating Materials
Thermal Conductivity of Glasses
Thermoelectric Properties of Metals and Semiconductors
Fermi Energy and Related Properties of Metals

SECTION 13: POLYMER PROPERTIES
Abbreviations Used in Polymer Science and Technology
Physical Properties of Selected Polymers
Nomenclature for Organic Polymers
Solvents for Common Polymers
Glass Transition Temperature for Selected Polymers
Dielectric Constant of Selected Polymers
Pressure-Volume-Temperature Relationships for Polymer Melts
Vapor Pressures (Solvent Activities) for Binary Polymer Solutions
Solubility Parameters of Selected Polymers

SECTION 14: GEOPHYSICS, ASTRONOMY, AND ACOUSTICS
Astronomical Constants
Properties of the Solar System
Satellites of the Planets
Interstellar Molecules
Mass, Dimensions, and Other Parameters of the Earth
Geological Time Scale
Acceleration Due to Gravity
Density, Pressure, and Gravity as a Function of Depth within the Earth
Ocean Pressure as a Function of Depth and Latitude
Properties of Seawater
Abundance of Elements in the Earth's Crust and in the Sea
Solar Irradiance at the Earth
U.S. Standard Atmosphere (1976)
Geographical and Seasonal Variations in Solar Radiation
Major World Earthquakes
Infrared Absorption by the Earth's Atmosphere
Atmospheric Concentration of Carbon Dioxide, 1958-2019
Global Temperature Trend, 1880-2019
Global Warming Potential of Greenhouse Gases
Speed of Sound in Various Media
Attenuation and Speed of Sound in Air as a Function of Humidity and Frequency
Speed of Sound in Dry Air

SECTION 15: PRACTICAL LABORATORY DATA
Standard ITS-90 Thermocouple Tables
Reference Points on the ITS-90 Temperature Scale
Relative Sensitivity of Bayard-Alpert Ionization Gauges to Various Gases
Laboratory Solvents and Other Liquid Reagents
Miscibzlity of Organic Solvents
Density of Solvents as a Function of Temperature
Dependence of Boiling Point on Pressure
Ebullioscopic Constants for Calculation of Boiling Point Elevation
Cryoscopic Constants for Calculation of Freezing Point Depression
Freezing Point Lowering by Electrolytes in Aqueous Solution
Correction of Barometer Readings to 0 °C Temperature
Determination of Relative Humidity from Dew Point
Determination of Relative Humidity from Wet and Dry Bulb Temperatures
Constant Humidity Solutions
Standard Salt Solutions for Humidity Calibration
Low-Temperature Baths for Maintaining Constant Temperature
Metals and Alloys with Low Melting Temperature
Characteristics of Particles and Particle Dispersoids
Density of Various Solids
Density of Sulfuric Acid
Density of Ethanol-Water Mixtures
Dielectric Strength of Insulating Materials
Coefficient of Friction

SECTION 16: HEALTH AND SAFETY INFORMATION
Chemical Safety
Abbreviations Used in the Assessment and Presentation of Laboratory Hazards
Incompatible Chemicals
Explosion (Shock) Hazards
Water-Reactive Chemicals
Testing Requirements for Peroxidizable Compounds
Tests for the Presence of Peroxides
Pyrophoric Compounds - Compounds That Are Reactive with Air
Flammability Hazards of Common Solvents
Flammability of Chemical Substances
Materials Compatible with and Resistant to 72 Percent Perchloric Acid
Selection of Laboratory Gloves
Selection of Protective Laboratory Garments
Selection of Respirator Cartridges and Filters
Protective Clothing Levels
Selection of Hearing Protection Devices
Chemical Fume Hoods and Biological Safety Cabinets
Gas Cylinder Safety and Stamped Markings
Compressed Air Safety
Safety in the Use of Cryogens
Nanomaterial Safety Guidelines
Threshold Limits for Airborne Contaminants
Chemical Carcinogens
Laser Hazards in the Laboratory
General Characteristics of Ionizing Radiation for Practical Application of Radiation Protection
Radiation Safety Units
Relative Dose Ranges from Ionizing Radiation
Annual Limits on Intakes of Radionuclides

APPENDIX B: SOURCES OF PHYSICAL AND CHEMICAL DATA
INDEX