Overwhelming demand for the 80th Edition of the CRC Handbook ofChemistry and Physics has lead to a shortage - our stock is depleted. However,the new, 81st edition will be available in June. Don't be left out again. Orderyour copy today!

The latest edition of the world's most popular scientific reference featurestables and reference sections on everything from the Periodic Table to the bondlengths in organometallic compounds. Featuring the latest facts and figures, theCRC Handbook of Chemistry and Physics contains all the most frequently used datain science, including the periodic table of the elements, basic constants andunits, and geophysical data.

For decades, physicists and chemists have turned to this handbook as theirprimary source for reliable data. Every year, material is critically evaluated,new data is added, and existing tables are updated. The 81st edition includeseight new and forty revised or updated tables. Nowhere else will you find such auseful compilation of scientific data. Don't be left behind. Your researchdeserves the best data available - the CRC Handbook of Chemistry and Physics hasit. Tables new in the 81st edition:

• Melting Point Index of Organic Compounds
• Boiling Point Index of Organic Compounds
• Electrical Conductivity of Water
• Properties of Liquid Helium
• Bond Length in Organometallic Compounds - filling an important gap in previous editions
• Organic Magnets
• Pressure-Volume-Temperature Relationship for Polymer Melts
• Characteristics of Human Hearing

Tables updated in the 81st edition:

• Fundamental Physical Constants - reflects the first change in these international recommendations in 14 years
• Conversion Factors
• The Elements - the first major revision in more than five years
• Dissociation Constants of Organic Acids and Bases
• Dipole Moments of Molecules in the Gas Phase
• Threshold Limits for Airborne Contaminants