Filtration of water samples to remove and measure suspended solids.
Category: SOP
014 Nutrient Extraction
Extracting nutrients from sediment using de-ionised water.
013 Dilute Acid Digestion
Extracting elements from sediments using dilute (0.43 M) nitric acid.
012 BHP Extraction and Separation
Extracting lipids from dried sediments. Separating bacteriohopanepolyol (BHP) molecules from the total lipid extract. Acetylating BHP molecules and preparation for LC-MS analysis.
Citation: O’Beirne et al., 2022.
011 Dry Bulk Density
Sampling and measurement of the dry bulk density of surface sediments.
010 Sediment Core Sampling
Collection of 1 metre sediment cores using a steel auger.
009 Sediment Surface Sampling
Collection of the top 15 cm of sediment using a steel auger.
008 Preparing Elemental Analysis Foils
Adding sediment to tin foil cups prior to quantification of C, N, O, H or S via Elemental Analysis.
007 Furnacing Organic Matter
Removal of organic matter from sediments using a moderate-temperature furnace.
006 Acid Decarbonation
Removal of carbonate minerals (inorganic carbon) using hydrochloric acid.
Note: this process also removes some organic matter (publication in review).