A chemical reaction in which a compound or radical loses electrons, that is in which the positive valence is increased.

The term "oxidation" was found in the following pages:

Journals database: Journal of Hazardous Materials
Microbeam analysis of dental amalgam reveals high mobility of mercury | EVISA's News
Instrument database: Shimadzu Europe - TOC-V WP/WS Wet Chemical Technique
Link database: WHO: Antimony - Effects on Humans
Mercury 'speciation analysis' by using thermal desorption analysis | EVISA's News
Speciation and Toxicity | EVISA's News
Highly selective Cr(VI) determination at ultra-trace levels using on-line trapping of Cr(III) with ICP-MS detection | EVISA's News
Instrument database: Analytik Jena GmbH - multi N/CŪ 3100
Journals database: Solid State Ionics
Bacteria supposed to remove poisonous arsenic from drinking water | EVISA's News
Material database: Canadian Certified Reference Materials Project (CCRMP) - KZK-1 Acid Base Accounting Material
Types of Chemical Species | EVISA's News
Dietary mercury exposure: Mercury isotopes can tell the source | EVISA's News
Gut bacteria transform inorganic arsenate leading to more toxic arsenic species | EVISA's News
Link database: Chemical Transformations of Chromium in Soils: Relevance to Mobility, Bio-availability and Remediation
Instrument database: Claisse, Inc - M4 Fluxer
Arsenic concentration in groundwater may be affected by bacteria | EVISA's News
CEST2015: 14th International Conference on Environmental Science and Technology | EVISA's Agenda of Events
Instrument database: Analytik Jena GmbH - multi N/C 2100/2100S
Agilent Technologies publishes Handbook of Hyphenated ICP-MS Applications | EVISA's News