Effect of thawing condition on the recovery of reactive silicic acid from frozen natural water samples

Jia Zhong Zhang, Peter B. Ortner

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

A method for thawing frozen samples for silicic acid analysis is recommended. The maximum recovery of silicic acid is achieved by thawing the frozen samples in a refrigerator (at 4°C) in the dark for at least four days. This method significantly improves the recovery of silicic acid from frozen fresh water samples. It also permits close to 100% recovery of reactive silicic acid from frozen seawater samples even after three months storage.

Original languageEnglish (US)
Pages (from-to)2553-2555
Number of pages3
JournalWater Research
Volume32
Issue number8
DOIs
StatePublished - Aug 1998

Keywords

  • Frozen storage
  • Recovery
  • Silicic acid
  • Thawing condition
  • Water samples

ASJC Scopus subject areas

  • Earth-Surface Processes

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