Analytical Method Metadata
NFLD lake sediment compliation of ~17000 sites. A 1 gram sample was digested in 6 ml of a 4M HNO3, 1M HCl mixture in a water bath at 90oC for 2 hours. For typical organic lake sediment this digestions yields values that are >80% of total content. The element was determined by AAS but there may have been variations in detection limit and technique over the years.
Davenport, P.H., Christopher, T.K., Vardy, S. and Nolan, L.W. (1993). Geochemical mapping in Newfoundland and Labrador: its role in establishing baselines for the measurement of environmental change. Journal of Geochemical Exploration, Volume 49, pages 177-200.
|Determination Limit:||2 ppm|
|Upper Determination Limit:|
|Analytical Grouping:||Pb | - | -|
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