Talk:Depleted uranium: Difference between revisions

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	== Edit on shaped charge warheads and uranium ==

	Here are the changes I want to bring on the "Ammunition" section re. shaped charges and uranium :

	It is known since the years 70s that uranium can be used as a liner in shaped charge warheads<ref>{{cite book\|title=Trends in the use of depleted uranium\|date=1971\|publisher=National Academy of Science\|pages=38\|url=https://books.google.fr/books?id=qJArAAAAYAAJ&pg=PA38&lpg=PA38&dq=shaped+charge+liner+uranium&source=bl&ots=y1QG-EIyHf&sig=GE4XeIc25mhKH6mv2bR-6ycn6S8&hl=fr&sa=X&ved=0ahUKEwilnvnGvejSAhXLhRoKHeR2CSEQ6AEIczAQ#v=onepage&q=shaped%20charge%20liner%20uranium&f=false}}</ref><ref>{{cite journal\|title=Building characteristics into a shaped charge to achieve unique performance requirements\|journal=International Journal of Impact Engineering\|date=1995\|volume=17\|issue=1-3\|pages=121-130\|url=http://www.sciencedirect.com/science/article/pii/0734743X9599841E\|accessdate=21 March 2017}}</ref>. Many shaped charge warheads patents include uranium as a liner. The "K-charge" patent EP 1164348 A2 notes that "other metals that have been disclosed as useful for shaped charge liners include depleted uranium and their alloys<ref>{{cite web\|title=K charge patent\|url=https://www.google.com/patents/EP1164348A2?cl=en&hl=fr\|website=Google patents}}</ref>". Another seems to acknowledge that it is better, for incendiary (reactive) purposes, to use non-depleted uranium as it differenciates "depleted uranium" used for kinetic purposes and "uranium" used for incendiary purposes.

	Please tell me where does that violate any Misplaced Pages policy. Thanks. ] (]) 22:09, 21 March 2017 (UTC)

	:Claiming that a specific warhead must contain uranium because a patent application says uranium ''could'' be used violates common sense, ], and ]. Claiming natural uranium is more flammable/pyrophoric than DU based on a patent application indicates a pretty remarkable lack of knowledge of chemistry, and of course also violates the same content policies. ] (]) 22:16, 21 March 2017 (UTC)

	::It does not says that uranium IS used in liners, it only says it COULD. It was thoroughly studied ( see for instance here http://www.arl.army.mil/arlreports/2007/ARL-SR-150.pdf on page 86). Jane's also reported once that uranium is used in "some guided weapons" which could include shaped charge warheads. https://web.archive.org/web/20011108102307/http://www.janes.com/defence/news/jdw/jdw010108_1_n.shtml
	::Regarding the effects of radioactivity on inflammability (the latent heat of the radioactivity acting as the activation energy), two chemists (one in a metallurgy lab, and one "agrégé" (French high exam for professors)) have told me that I am right, so I thought that simply making mention of the patent without explaining could be meaningful, but I acknowledge this contradicts WP:SYNTH.] (]) 22:45, 21 March 2017 (UTC)

	::: "which could"
	::: ] (]) 23:23, 21 March 2017 (UTC)

	:::: If you read the uranium liner shaped charge patent for drilling wells https://www.google.ch/patents/US4441428, you'll see that "tests show that the penetration of such a Uranium jet is about 87 centimeters, a factor of 3.5 greater than expected and a factor of 5 times that measured for the copper jet and for an iron jet 5.4 times greater." In this regard claims that the main metal used in shaped charges is copper is highly dubious. ] (]) 20:43, 24 March 2017 (UTC)

	::::: Re these weapons I actually claim, based on personal work and on a testimony, they use nano levels of nuclear fission. U236 all around Iraq and Afghanistan (UMRC work), the micro flashs you see when these weapons explode (bunker busters, anti tank missiles, cruise missiles etc), tritium I have found in high volumes near Canjuers military camp in southern France and beryllium consistently used in uranium weapons (see Observatoire des Armements report, October 2001 "La production des armes à uranium appauvri") do confirm that. A former tank driver from the French army confirmed all that. Won't insert it in the encyclopedia because personal research.--] (]) 19:30, 5 September 2017 (UTC)

	::::::This is conspiracy theory garbage. Take it somewhere other than Misplaced Pages. ] (]) 22:13, 5 September 2017 (UTC)

	{{reflist talk}}

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	Cheers.—] <span style="color:green;font-family:Rockwell">(])</span> 03:04, 9 September 2017 (UTC)

	== Studies indicating negligible effects ==		== Studies indicating negligible effects ==

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Studies indicating negligible effects

It is somewhat concerning that most of the quoted studies appear to be from sources that - to put this politely - have a direct interest in the outcome of their work. That is, the quoted entities are:

A literature review by Rand Corporation
An editorial paper (i.e. not a study) in the Archive of Oncology (this in turn states that " a considerable part of the research work presented here has been sponsored by local government authorities.") It also appears from the editorial that the entire edition of that publication was to discuss this concern - but unfortunatley the rest of the edition is not available at that link.
A study "from the Australian defense ministry".
The International Atomic Energy Agency (no study, just a statement).
A study by Sandia National Laboratories, which in turn is "a wholly owned subsidiary of Honeywell International" and "is one of three National Nuclear Security Administration research and development laboratories".

Rand Corporation, the Australian Defence Ministry, and Sandia are all reliant on the largesse of governments that support the use of depleted uranium and thus non-neutral parties. The Archive of Oncology seems to be a more promising source, but the provided link is not to anything evidentiary. Similarly, the IAEA makes a statement rather than a study (and in some eyes may be considered less than entirely neutral).

To summarise, I suggest that either better sources are found or that appropriate caveats are added to this section of the article. The title does not reflect the current usefulness of the content, but I am sure that subject matter experts will be able to find some more reliable sources. Perhaps those used in the final sentence of the article's introduction might be a useful start - especially as they contradict the tone of this section. A brief survey also finds a Scientific American article (again, not a study), though I am sure experts will have much more useful information to add. I realise that care must be taken in this area, as there are clearly many extremely interesting opinions 'out there'.

In relation to other parts of this article, experts may wish to refer to this US Department of Energy site, advertising/advocating for uses of DUF₆.

Finally, in writing this comment I stumbled upon something about depleted uranium having been used in the past in dentistry. This paper touches on its use, while this web page provides some additional information on its history and this 1976 US Government publication advises against its use. Could someone who has some expertise in this area possibly add some dentistry to the history? (It is briefly mentioned in section 3.2 of the article, but if it has been discontinued then perhaps this should be moved - and I suggest expanded.)

Thank you from someone who has no clue. Ambiguosity (talk) 07:09, 24 September 2017 (UTC)

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World depleted uranium inventory, this list seems almost worthless.

The list doesn't seem useful. Almost all the major players in depleted uranium inventory haven't stated their inventories in 17 years in many cases. It really needs to be updated — Preceding unsigned comment added by Cornersss (talk • contribs) 22:55, 7 July 2018 (UTC)

Depleted Uranium Hand Grenades

This line: "DU was used during the mid-1990s in the U.S. to make hand grenades, and land mines, but those applications have been discontinued, according to Alliant Techsystems."

Has no citation, and I can find little evidence for it online. The only references that I can find are a wikileaks reference:

https://wardiaries.wikileaks.org/id/F5D58A9C-6290-4F77-A390-763EFB496391/

and another reference here:

https://www.whatdotheyknow.com/request/information_about_a_grenade_cont

Should these references by cited in the article, or should that line be removed?

JackStonePGD (talk) 00:33, 20 July 2019 (UTC)

Both sources go back to Wikileaks, which is a single sentence without context let alone editorial review. I'd say remove it. VQuakr (talk) 06:27, 20 July 2019 (UTC)

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