#1
Old 02-12-2004, 10:42 AM
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Join Date: Feb 2004
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Californium-252. How expensive is it?

This is a pretty straightforward question:

How does $1,000 per microgram equate to $350 billion per pound, as stated in this column about the most expensive thing in the world? Since 1 kilogram equals approximately 2.2 pounds and the rest of the conversions are within the metric system, I fail to see how the 35 enters the picture.
#2
Old 02-12-2004, 11:17 AM
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Join Date: May 2003
Location: Not here.
Posts: 4,153
1 pound = 453 592 370 micrograms

$43000000000 per pound, actually.
#3
Old 02-12-2004, 11:46 AM
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Join Date: Jun 2000
Location: San Jose
Posts: 2,906
Maybe Cecil was using a troy pound, which is (approximately) 373,241,722 micrograms.

If you really want to know how much californium-252 costs, you can order some. "Quanity discounts may be available."
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We're delighted. More confusion is good. -- Daniel Lieberman
#4
Old 02-12-2004, 01:14 PM
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Join Date: Apr 2002
Posts: 9
You may be paying too much for Californium!

Since the sale of Californium-252 in question was quite a long time ago, I thought I should check the Internet for better prices. As I suspected, you can buy Californium cheaper than $1,000 per microgram, if anybody has any to sell.

On a site where most of the posts are in Russian I found a reference to a 1998 sale of Californium-252 for $56.00 per microgram.

Here is the paragraph:

The isotope Cf-249 results from the beta decay of Bk-249 while the heavier isotopes are produced by intense neutron irradiation of this product. Logically one would expect that Cf-252 would be more expensive then than Cf-249. However, in Sept. 1998 the ORNL Isotopes Division charged $180.25 per microgram of californium-249, and $56.00 per microgram of californium-252, indicating that factors other than ease of prodcution were setting the price. If Cf-251 could be manufactured in quantity for the 1998 sale price of Cf-252, then a critical mass would cost $11 billion.

Google Cache: http://216.239.39.104/search?q=cache...hl=en&ie=UTF-8

As you may guess from this excerpt, most of this thread seems to be about building light atomic bombs using Californium-252. I won't bore you with the details. It does not seem to be worth while building an $11 billion Californium-252 bomb when plutonium is so cheap and readily available. Relatively speaking.
#5
Old 02-12-2004, 01:17 PM
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Join Date: Apr 2002
Posts: 9
eBay

As an afterthought, I checked eBay for Californium-252. No hits.

I mean, really. I AM disappointed. Maybe if I tried one of the foreign eBays, I'd have better luck.
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