Author: Robert Sparkes

Sampling and measurement of the dry bulk density of surface sediments.

Collection of 1 metre sediment cores using a steel auger.

Collection of the top 15 cm of sediment using a steel auger.

Adding sediment to tin foil cups prior to quantification of C, N, O, H or S via Elemental Analysis.

Removal of organic matter from sediments using a moderate-temperature furnace.

Removal of carbonate minerals (inorganic carbon) using hydrochloric acid.

Note: this process also removes some organic matter (publication in review).

Extracting elements from sediments using concentrated nitric acid.

Washing and furnacing glassware to remove contamination.

Producing uniformly fine powdered sediment for further analysis.

Drying sediment to remove moisture prior to storage or analysis.