These tables give the index of refraction at three temperatures of six liquids that are available in highly pure form and whose index of refraction has been accurately measured as a function of wavelength and temperature. These values are therefore useful for calibration of refractometers. The estimated uncertainty in the values is:
Full details are given in the references. This table is reprinted from Ref. 1 by permission of the International Union of Pure and Applied Chemistry.
The CRC Handbook of Chemistry and Physics (HBCP) contains over 700 tables in over 450 documents which may be divided into several pages, all categorised into 17 major subject areas. The search on this page works by searching the content of each page individually, much like any web search. This provides a challenge if you want to search for multiple terms and those terms exist on different pages, or if you use a synonym/abbreviation that does not exist in the document.
We use metadata to avoid some of these issues by including certain keywords invisibly behind each table. Whilst this approach works well in many situations, like any web search it relies in the terms you have entered existing in the document with the same spelling, abbreviation etc.
Since chemical compounds and their properties are immutable, a single centralised database has been created from all chemical compounds throughout HBCP. This database contains every chemical compound and over 20 of the most common physical properties collated from each of the >700 tables. What's more, the properties can be searched numerically, including range searching, and you can even search by drawing a chemical structure. A complete list of every document table in which the compound occurs is listed, and are hyperlinked to the relevant document table.
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Below is an example of a chemical entry, showing its structure, physical properties and document tables in which it appears.
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