Description:This chemical cross-reference has been compiled by extracting information from chemistry textbooks, industrial references, and chemical formularies back to the early 1800's. Equivalents, definitions, and cross-reference entries were loaded into our computer, sorted into alphabetical order, and then merged into one master cross-reference which follows.You will find that capital letters have been eliminated to improve the purity of the alphabetization. You also find a variety of spellings and definitions, many of which are contradictory. These variations and unusual terms have been retained to Improve the historical usefulness of this cross reference.