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Sample Type

Water

Elements

Th

Radioisotopes 234Th
Detection by beta
Description

A method is described for the analysis of 234Th in 4 L seawater samples. 234Th is pre- concentrated with MnO precipitates and filtered in 25mm QMA filters. Dried filters are measured at sea or onshore using beta counting system. Chemical recoveries are determined measuring 230Th by ICP-MS, and are usually >90%.

Source K. Buesseler
Year2000
View Recipe (pdf)