U-235 is about 0.7% of naturally occurring uranium. If they processed 24,000 kg of uranium down to 300 kg of enriched uranium then that means the 300 kg is enriched to about 57% U-235. Not sure if that is good enough for effective fission bombs but if the U-235 is further refined to say, 85%, you might be able to build 8 or 9 simple bombs with that stockpile.
Not a nuclear physicist by profession. I have ‘heard’ that you need 80-85% purity to make a fission bomb work. However, recent data from testing suggest that the 1980’s Chernobyl accident first explosion was nuclear because it gave off Xenon gas. Xenon is what the sniffers are looking for to determine clandestine testing. While it wasn’t a yuge boom, it still and nuclear detonation with fuel rods that should be below 20%.
They said 24 tons, or 48000lbs. That is 21,772kgs. At 0.7%, that 152kg of U-235 yield (if they get 100%) or about 50% of 300kg, or 50% yield. If the collection is only 50% then they have like 300kg of 20-25% U-235. That is fuel rod stuff.
This doesn’t prove the Iranians violated the agreement. Then again, why does Iran want nuclear power.....to save the world from CO2 global warming? As they say on ESPN...Come on man.