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

Contributor

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

Created 6/29/12, last modified 5/9/19