3 ms·
You know, we really ought to rename Tantalum->Lead, and Lead->Tantalum. Can someone clarify what the last part of the article was saying? In some hotspots
by GhotiFish 12y ago
You know, we really ought to rename Tantalum->Lead, and Lead->Tantalum.
Can someone clarify what the last part of the article was saying?
In some hotspots - downwind from old smelters, or where
miners dumped their spoils - it can be as high as 3%.
Does that seriously mean you could scoop a handful of dirt and 3% of that would be lead?!
- masklinn 12y agoYes, though I expect it's 3% by mass, so for 1kg of soil you get 30g of lead (30000ppm). For reference, uncontaminated natural soil averages 10ppm.
- dredmorbius 12y agoGiven that that's probably percentage by weight, and the density of lead itself, possibly.