Mo-99 Production - Revision history

Oborn: Changed protection level for "Mo-99 Production" ([edit=sysop] (indefinite) [move=sysop] (indefinite) [read=autoconfirmed] (indefinite))

2010-12-31T02:04:44Z

Changed protection level for "Mo-99 Production" ([edit=sysop] (indefinite) [move=sysop] (indefinite) [read=autoconfirmed] (indefinite))

2010-12-31T02:04:22Z

Protected "Mo-99 Production" ([edit=brian] (indefinite) [move=brian] (indefinite) [read=autoconfirmed] (indefinite))

2009-09-24T20:05:24Z

Changed protection level for "Mo-99 Production" ([edit=brian] (indefinite) [move=brian] (indefinite) [read=autoconfirmed] (indefinite))

2009-09-10T20:09:05Z

Protected "Mo-99 Production" ([edit=autoconfirmed] (indefinite) [move=autoconfirmed] (indefinite) [read=autoconfirmed] (indefinite))

2009-01-11T04:23:29Z

2009-01-11T03:58:59Z

2009-01-11T03:48:07Z

2009-01-11T03:36:37Z

2009-01-11T03:35:19Z

2009-01-11T03:24:56Z

← Older revision		Revision as of 04:23, 11 January 2009
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	Combining "1" and "5" means I need a 12 Watt dedicated electron machine to make Mo-99 each week for the U.S.?		Combining "1" and "5" means I need a 12 Watt dedicated electron machine to make Mo-99 each week for the U.S.?

−	If my technique for making Mo-99 uses 10 , 50 micron thick foils of Mo-100 instead of a 5 cm thick target, then I need a 1200 Watt electron accelerator.	+	If my technique for making Mo-99 uses 10, 50 micron thick foils of Mo-100 instead of a 5 cm thick target, then I need a 1200 Watt electron accelerator.

← Older revision		Revision as of 03:58, 11 January 2009
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	Combining "1" and "5" means I need a 12 Watt dedicated electron machine to make Mo-99 each week for the U.S.?		Combining "1" and "5" means I need a 12 Watt dedicated electron machine to make Mo-99 each week for the U.S.?
		+
		+	If my technique for making Mo-99 uses 10 , 50 micron thick foils of Mo-100 instead of a 5 cm thick target, then I need a 1200 Watt electron accelerator.

← Older revision		Revision as of 03:48, 11 January 2009
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	5.) The U.S. uses 6,000 - 7,000 6-day curies per week. 6-day curies = amount of Mo-99 left after 6 days ( half life is 66 hours < 3 days). <math>\Rightarrow</math> 14,000 curies per week.		5.) The U.S. uses 6,000 - 7,000 6-day curies per week. 6-day curies = amount of Mo-99 left after 6 days ( half life is 66 hours < 3 days). <math>\Rightarrow</math> 14,000 curies per week.
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		+	Combining "1" and "5" means I need a 12 Watt dedicated electron machine to make Mo-99 each week for the U.S.?

← Older revision		Revision as of 03:36, 11 January 2009
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	4.) 40 million nuclear medicine procedures are performed each year, 20 million in the US. 80% of those procedures use Mo-99.		4.) 40 million nuclear medicine procedures are performed each year, 20 million in the US. 80% of those procedures use Mo-99.

−	5.) The U.S. uses 6,000 - 7,000 6-day curies per week. 6-day curies = amount of Mo-99 left after 6 days ( half life is 66 hours < 3 days).	+	5.) The U.S. uses 6,000 - 7,000 6-day curies per week. 6-day curies = amount of Mo-99 left after 6 days ( half life is 66 hours < 3 days). <math>\Rightarrow</math> 14,000 curies per week.

← Older revision		Revision as of 03:35, 11 January 2009
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	3.) single neutron emissions makes up about 60% of the photofission X-section <math>\Rightarrow</math> <math>^{100}Mo(\gamma, n)</math> X-sect is about 96 mbarns when photon energy is 15 MeV		3.) single neutron emissions makes up about 60% of the photofission X-section <math>\Rightarrow</math> <math>^{100}Mo(\gamma, n)</math> X-sect is about 96 mbarns when photon energy is 15 MeV
		+
		+	4.) 40 million nuclear medicine procedures are performed each year, 20 million in the US. 80% of those procedures use Mo-99.
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		+	5.) The U.S. uses 6,000 - 7,000 6-day curies per week. 6-day curies = amount of Mo-99 left after 6 days ( half life is 66 hours < 3 days).

← Older revision	Revision as of 20:09, 10 September 2009
(No difference)

← Older revision		Revision as of 03:24, 11 January 2009
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	2.) The <math>^{100}Mo(\gamma, f)</math> X-sect peaks at 160 mbarns when the photon energy is 15 MeV:(photofission of Mo-100 and U-238 have similar X-sections)		2.) The <math>^{100}Mo(\gamma, f)</math> X-sect peaks at 160 mbarns when the photon energy is 15 MeV:(photofission of Mo-100 and U-238 have similar X-sections)

−	3.) single neutron emissions makes up about 60% of the photofission X-section <math>\Rightarrow</math> <math>^{100}Mo(\gamma, n)</math> X-sect is about 96 mbarns when ~~phtoton~~ energy is 15 MeV	+	3.) single neutron emissions makes up about 60% of the photofission X-section <math>\Rightarrow</math> <math>^{100}Mo(\gamma, n)</math> X-sect is about 96 mbarns when photon energy is 15 MeV