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The objective of the “Explanatory Dictionary of Key Terms in Toxicology” is to give full explanations of the meaning of toxicological terms chosen for their importance and complexity from the point of merging chemistry and toxicology. This requires a full description of the underlying concepts, going beyond a normal dictionary definition. Often linguistic barriers lead to problems in obtaining a common understanding of terminology at the international level and between disciplines. The explanatory comments should help to break down such barriers. The dictionary consists of about 68 terms chosen from the IUPAC “Glossary of Terms Used in Toxicokinetics” organized under 22 main headings. The authors hope that among the groups which will find this explanatory dictionary helpful are chemists, pharmacologists, toxicologists, risk assessors, regulators, medical practitioners, regulatory authorities, and everyone with an interest in the relationship of chemistry to toxicology. It should also facilitate the use of chemistry in relation to risk assessment.

Pure Appl. Chem., Vol. 79, No. 9, pp. 1583–1633, 2007.
IUPAC Recommendations 2007
© 2007 IUPAC
IUPAC permission is acknowledged

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This glossary, a revision of the IUPAC “Glossary for Chemists of Terms Used in Toxicology” [Pure Appl. Chem. 65, 2003 (1993)] incorporating new and redefined terms from the “Glossary of Terms Used in Toxicokinetics” [Pure Appl. Chem. 76, 1033 (2004)], contains definitions and explanatory notes, if needed, for terms frequently used in the multidisciplinary field of toxicology. The glossary is compiled primarily for those scientists and others who now find themselves working in toxicology or requiring a knowledge of the subject, especially for hazard and risk assessment. Many medical terms are included because of their frequent occurrence in the toxicological literature. There are three annexes, one containing a list of abbreviations and acronyms used in toxicology, one containing a list of abbreviations and acronyms used by international bodies and by legislation relevant to toxicology and chemical safety, and one describing the classification of carcinogenicity according to the weight of evidence available.

Pure Appl. Chem., Vol. 79, No. 7, pp. 1153–1344, 2007.
IUPAC Recommendations 2007
© 2007 IUPAC
IUPAC permission is acknowledged

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The second edition of the Glossary of Terms Used in Photochemistry [Pure Appl. Chem. 68, 2223–2286 (1996); http://www.iupac.org/publications/pac/1996/pdf/6812x 2223.pdf has been both corrected and updated. Terms have been added related to molecular anisotropy, the use of polarized radiation, nonlinear optical phenomena, and the emerging field of computation of excited species. Some changes have been introduced in this “Glossary” regarding the terms related to radiation energy to make this collection fully compatible with internationally agreed-upon terms. Many links are included to various Web pages listing quantities relevant to the work of photochemists and scientists using photochemical tools.

Pure Appl. Chem., Vol. 79, No. 3, pp. 293–465, 2007.
IUPAC Recommendations 2006
© 2007 IUPAC
IUPAC permission is acknowledged

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The measured cell potentials for suspension potentiometric cells have been interpreted and explained by a detailed analysis of the schemes for these cells [“Guidelines for potentiometric measurements in suspensions. Part A. The suspension effect (IUPAC Technical Report)”, Pure Appl. Chem. 79, 67 (2007)]. Some former disagreements amongst investigations have been clarified. A new unambiguous operational definition of the suspension effect (SE) is presented. It is defined as the difference in cell potential for two suspension potentiometric cells, one with both electrodes in the separated equilibrium solution (eqs) and the other with both electrodes in the sediment or suspension. This potential difference is the sum of the change in the indicator electrode (IE) potential and the change in the liquid junction potential of the reference electrode (RE), when the electrodes are used for measurement, once in the sediment of the suspension and then in its eqs.

Pure Appl. Chem., Vol. 79, No. 1, pp. 81–86, 2007.
IUPAC Recommendations 2006
© 2007 IUPAC
IUPAC permission is acknowledged