Alkali 12 : Chemical compounds that have a pH value of more than 7. Alkali's are also known as Base or Caustic materials. These materials can be corrosive to human tissue
eHandS Health and Safety Management & Reporting Software, eHandS Health and Safety Glossary of Terms (online health and safety dictionary), Stirlingshire, UK 2009. http://www.ehands.co.uk/health-and-safety-glossary .html, (Hlth and Sfty Mgt - Brit) {51}