Yitzhak Jacobson

3 Questions 10 Answers 0 Followers

Questions related from Yitzhak Jacobson

How can I avoid reabsorption of trace metals into solid CaCO3 during hydrogen peroxide treatment?

In preparation of aragonite shell samples for trace metals analysis, I use buffered hydrogen peroxide to remove organic matter. while this step is effective in reducing concentration of many...

15 July 2015 8,242 6 View

How to prevent the re-polymerization of silicate in opal/NaOH solutions?

We disolved diatoms in NaOH solutions for icp-ms analysis and the dissolution was ok. After one day, we saw silicate polymers floating in the tube. Any ideas on how to prevent this phenomena?

20 March 2014 3,960 4 View

Does anyone know a device for sampling seawater for trace metals from the shoreline?

I don't want to get into the water to prevent contamination, and its a place where boats can't go.

10 March 2014 4,111 9 View