Questions tagged [lead]

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Why is Pb3O4 called lead(II,IV) oxide?

We know that iron(II,III) oxide has the formula $\ce{Fe3O4}$ which is a combination of iron(II) oxide and iron(III) oxide with formulas $\ce{FeO}$ and $\ce{Fe2O3}$ respectively. So why isn't this the ...
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How to dissolve metallic lead fast in nitric acid?

We were trying to dissolve a piece of metallic lead in concentrated nitric acid until we found out that concentrated nitric acid is not a suitable media, as long as it produces a layer of lead oxide ...
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Are double spike isotopic standards suitable for quantification by isotope dilution mass spectrometry?

I would like to apply isotope dilution mass spectrometry (IDMS)* to quantify lead at trace levels. A good spike solution for the process would be the NIST SRM 991 which is an enriched material of ...
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Testing for lead in alcohol

I want to test for lead in alcohol rather than water. The reason for this is that I have many antique crystal decanters and flasks. Crystal is made with lead oxide (PbO) added to the glass. Normally ...
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