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Coastal and Marine Geology Program
Woods Hole Field Center

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

HYDROGEN PEROXIDE STEP


HYDROGEN PEROXIDE STEP
Materials Required: Hydrogen Peroxide preparation materials
Using a 10mL pipet, add 5mL of H2O2 to each Teflon tube which contains the 0.05g of sediment previously weighed. Pipetting into tube

Loosely cap tube and swirl by hand.

*Cap loosely to allow organic vapors to escape during the treatment process.

 Swirling sample in tube

Let samples sit overnight.

*This allows time for the reaction to go to completion.
The H2O2 reacts with the sediment and removes the organics.

*Refer to JHA before starting each process for further personal protection and potential hazards.

Proceed to Hydrochloric Acid step.

 Hydrogen Peroxide reacting with sediement

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