Identifying Concepts and Generating Search Terms
The following steps are helpful when preparing for a keyword search in Chemical Abstracts Online. For more detailed instructions on searching Chemical Abstracts Online, see Using Native Commands to Search Chemical Abstracts Online.
- State your topic as specifically as possible.
Topic: The effect of formaldehyde on indoor air quality in closed buildings.
- Identify the main concepts.
- indoor air quality
- closed buildings
Note: It is best to use CAS Registry Numbers for chemical compounds when searching Chemical Abstracts Online. For more information, see How to Find CAS Registry Numbers for Chemical Compounds.
- indoor air pollution
- tight buildings
- sick buildings
- Simple search:
- Complex search (using all the keywords):
s 50-00-0 AND indoor(w)air(w)quality AND closed(w)building#
s 50-00-0 AND (indoor(w)air(w)quality OR IAQ OR indoor(w)air(w)pollution) AND (closed(w)building# OR tight(w)building# OR sick(w)building#)