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Link to US Geological Survey
Coastal and Marine Geology Program
Woods Hole Field Center

Geochemical Sediment Analysis Procedures, Open-File Report 02-371

Pipetting demonstration

CHN Coulometer Biogenic Silica Gamma Acid Washing Drying Grinding Core Sectioning

Biogenic Silica Analysis Preparation

Table of Contents

Preparation
  Mixing Sodium Carbonate
Grinding Samples
Oven Drying Samples (1)
Weighing Samples
 
Adding Hydrogen Peroxide
Adding Hydrochloric Acid
Centrifuging Samples (1)
Oven Drying Samples (2)
Adding Sodium Carbonate
Sonicating Samples
Using the Shaker Bath
Centrifuging Samples (2)
Acidifying Samples
Material Safety Data Sheets

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