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Determining Dissolved and Biogenic Silica

  • Jaana Koistinen
  • Mervi Sjöblom
  • Kristian Spilling
Protocol
Part of the Methods in Molecular Biology book series

Abstract

Most algae do not use silicon in any form with one notable exception, diatoms. Silicon is a major constituent of diatoms. Diatoms are characterized by high growth rates and are often one of the key groups in forming algal blooms in natural waters, and as such it is an interesting group for cultivation. In this chapter we present methods for determining dissolved silica (DSi) and biogenic silica (BSi), oxide forms of silicon, based on colorimetric methods. BSi is determined after filtration and alkaline digestion.

Keywords

Biogenic silica Diatoms Dissolved silica Silicon 

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Copyright information

© Springer Science+Business Media New York 2018

Authors and Affiliations

  • Jaana Koistinen
    • 1
  • Mervi Sjöblom
    • 1
  • Kristian Spilling
    • 2
  1. 1.Tvärminne Zoological StationUniversity of HelsinkiHankoFinland
  2. 2.Finnish Environment InstituteHelsinkiFinland

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