Radiation and Radiological Disasters. An atom, molecule or radical that has lost or gained one or more electrons, thus acquiring an electric charge. Positively charged ions are cations; negatively charged ions are anions
Basic Tools & Resources for Fire Investigation, Appendix B (Glossary of Forensic Science Terms), "Glossary of Terms Related To Chemical and Instrumental Analysis of Fire Debris," Fire and Arson Investigator, Vol. 40, No. 2, (pp. 25-34), International Association of Arson Investigation Forensic Science Committee 1989. https://books.google.com.kw/books?id=lrKLfHr0g3QC& amp;pg=PA37&lpg=PA37&dq=Glossary+of+Terms+ Related+To+Chemical+and+Instrumental+Analysis+of+F ire+Debris&source=bl&ots=zLH7mJAEcF&si g=MBOpCLmRwtq-KeVbkpdiGyrAZF8&hl=en&sa=X&a mp;ved=0CBwQ6AEwAGoVChMIjOrmn5LqxgIVBKdyCh2ZiAWq#v =onepage&q=Glossary%20of%20Terms%20Related%20T o%20Chemical%20and%20Instrumental%20Analysis%20of% 20Fire%20Debris&f=false, (FrInv - Brit) {13}
Technical Working Group for Fire and Explosions, Scientific Working Group for Fire and Explosions, and Fire Laboratory Standards and Protocols Committee, Glossary of Terms for Fire Debris Analysts and Fire Investigator, National Center for Forensic Science (NCFS) (NCFS Hosted by the University of Central Florida) Fl, USA 2012. This glossary of terms is an updated and completed version of the following original glossary of terms: IAAI Forensic Science Committee (1989) Glossary of terms related to chemical and instrumental analysis of fire debris, Fire and Arson Investigator, 40(2), pp 25-34. Version: October 11, 2005. (FrInv - Brit) {471}