Below are a mix of encyclopedias and series of review articles covering physical chemistry topics. Please note the publication year of the article, in the event it is out of date and you need to find something more recent.
Comprehensive chemical encyclopedia covering all aspects of chemistry and chemical engineering. Good complement to Ullmann's. Articles are updated and added quarterly, so check the article's publication date.
Comprehensive chemical encyclopedia covering all aspects of chemistry and chemical engineering. Good complement to Kirk-Othmer. Articles are updated and added quarterly, so check the article's publication date.
Covers fundamentals, technology and applications of atomic, electronic, high energy, magnetic, mass, vibrational and raman spectroscopy. [3rd ed., 2017]