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determinands > acid recoverable silica

Preferred term

acid recoverable silica  


  • 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


  • dgwr


  • dgwr


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