3 ms·

Apparently this was the offending Plutonium purchase. https://www.luciteria.com/element-cubes/plutonium-for-sale?srsltid=AfmBOoo5jE4XtGHbjpsQJSPgZ4FHlVh60CME-c

• perihelions 2y ago
  I'll be eating my hat, then; this thing is indeed real, https://carlwillis.wordpress.com/2017/02/07/analysis-of-soviet-smoke-detector-plutonium/ https://carlwillis.wordpress.com/2017/02/07/analysis-of-sovi... ("Analysis of Soviet smoke detector plutonium" (2017)) (and HN thread, https://news.ycombinator.com/item?id=13616574 https://news.ycombinator.com/item?id=13616574 ) That analysis says these contained about 40 μCi of Pu-239, or 0.7 mg.
• mmooss 2y ago
  How do we know?