Contributor
determinands
dissolved silica
Modified
Created
2012-06-29T14:54:50Z
total SiO2
total acid available silica
dissolved plus acid recoverable silica
total acid recoverable silica
2019-05-09T16:00:18.197+00:00
acid recoverable silica
dgwr
dgwr
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
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