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determinands > acid recoverable silica

Preferred term

acid recoverable silica  

Definition

  • Total acid recoverable silica, includes dissolved fraction plus that which was present in particulates but dissolved by acidification of the unfiltered sample to 1% with concentrated high purity nitric acid, without heating. This acidification takes place upon sampling and prior to cold storage and subsequent analysis

Broader concept

Narrower concepts

Entry terms

  • dissolved plus acid recoverable silica
  • total acid available silica
  • total acid recoverable silica
  • total SiO2

Contributor

  • dgwr

Creator

  • dgwr

URI

http://onto.nerc.ac.uk/CAST/251

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