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Purification of Laboratory Chemicals 8th Edition tabulates methods taken from literature for purifying thousands of individual commercially available chemicals. To help in applying this information, the more common processes currently used for purification in chemical laboratories and new methods are discussed. For dealing with substances not separately listed, a chapter is included setting out the usual methods for purifying specific classes of compounds. Empirical formulae has been inserted for every entry and all important applications of each substance are referencedAll CAS registry numbers, molecular weights, original references and physical data have been checked for accuracy and brought up to dateProvides increased coverage of the latest commercial chemical products, including pharmaceutical chemicals, updated safety and hazard material, and expanded coverage of laboratory and work practices and purification methods