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Updated: Aug 18, 2026

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies
Published on: July 1, 2016
[Determination of molybdenum in natural waters by direct current plasma atomic emission spectrometry with
Abstract:
A new method was developed for the determination of trace molybdenum in natural waters by direct current plasma atomic emission spectrometry after separating and preconcentrating with D301 anion exchange resin. Mo adsorbed on the resin column can be recovered quantitatively by using 20mL of 8mol/L HNO3 at a flow rate of 0.6mL/min with elution rate of (81.6 +/- 1.78)%. The behaviour of Mo on the resin has been discussed. Simulative water and natural water samples have been determined. It was found that the interference element Ca could be separated effectively from Mo; an enrichment factor of 50 was obtained for Mo in 1L water sample; the determination limit of Mo was improved to 0.5 microg/L and the recovery of 90-107% was obtained.
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