Talk:Acid-free paper

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Materials Mid‑importance

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Technology

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Dead link[edit]

Footnote 1 is a dead link. — Preceding unsigned comment added by 75.173.90.40 (talk) 02:49, 22 December 2011 (UTC)[reply]

Circled infinity symbol[edit]

Can anyone please tell me how to get this symbol? It doesn't appear to be in Unicode! Thanks, — DIV {128.250.204.118 06:55, 18 February 2007 (UTC)}[reply]

This symbol has a specific meaning that differs from that presented here. Please read the following and somebody can verify this and make the appropriate change:

6.1. Symbol and Statement of Compliance All publications printed on paper that meets this standard should carry the following information: This paper meets the requirements of ANSI/NISO Z39.48-1992 (Permanence of Paper). The compliance symbol is the mathematical symbol denoting infinity set inside a circle.

128.219.49.9 (talk) 16:06, 23 March 2010 (UTC)[reply]

Acid-free versus ISO 9706[edit]

This article argues that acid-free paper does not necessarily satsify all the requirements of ISO 9706. Does that mean that such "acid-free but non-ISO 9706-compliant paper" would or would not be entitled to use the 'circled infinity' symbol? The article seems to suggest that it would not —DIV (128.250.247.158 (talk) 04:28, 20 March 2009 (UTC))[reply]

That is clear in the article. 79.106.203.36 (talk) 16:41, 11 April 2024 (UTC)[reply]

Longevity of paper[edit]

How is it known that the paper will last a millennium? Jackiespeel (talk) 14:11, 16 September 2009 (UTC)[reply]

The approach described to get an acid-free sheet combines enough base to offset the acid. Rising Paper in Housatonic, MA where I worked from 1974-1979, made acid-free sheets starting with neutral PH artesian well water. We made museum board, a pasted sheet of 3 and 4 ply. The interesting part was that dyes at the time were acid based. The technology for neutral PH dyes was in its infancy. We drove that technology a bit. — Preceding unsigned comment added by Reiki33 (talk • contribs) 05:20, 13 January 2011 (UTC)[reply]

Wrong glyph[edit]

As of this writing, the acid-free symbol in the article appears to be a circled "8" rotated a quarter-turn counter-clockwise. The two loops of the "8" are not equal-sized, as they would be in a true "infinity" symbol. Can somebody find the correct graphics for this symbol? --Reify-tech (talk) 04:45, 15 May 2012 (UTC)[reply]

At some time since my earlier post, what appears to be the proper glyph has been substituted in the article. Thank you, whoever fixed this! Reify-tech (talk) 14:33, 16 March 2014 (UTC)[reply]

Photos requested[edit]

The article fails to convey the importance of acid-free paper, and sounds like an obscure technical discussion with little real relevance to book lovers. One or two photos of the actual damage to old books caused by acid pulp would do much to convincingly illustrate the consequences of this problem. --Reify-tech (talk) 04:45, 15 May 2012 (UTC)[reply]

I searched Wikimedia Commons again, and found hundreds of pictures of pulp and paper mills, but none of their deteriorated past production. We still need pictures of some crumbling old "pulp paperbacks" or magazines. Reify-tech (talk) 14:33, 16 March 2014 (UTC)[reply]

Plagiarism[edit]

Virtually this entire article, aside from a few words changed here and there (yes, they're very clever ◔_◔), is directly copied from the paper, "[www.academicjournals.org/article/article1409589406_Manglik.pdf^{[predatory publisher]} Role of acid-free paper in libraries: A survey]".

The paper is copylefted under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence, yet neither quotes were used nor any form of citation was employed.

Full specs for the paper can be found [www.academicjournals.org/journal/IJLIS/article-abstract/792CAE946705^{[predatory publisher]} here]. — Preceding unsigned comment added by SarahTehCat (talk • contribs) 20:04, 1 July 2015 (UTC)[reply]

If what you say is true, thanks for finding this. It sounds like the original paper can be copied legally, but using it without attribution is against Wikipedia policy. There is some kind of Wikipedia template notice that tells the reader that significant portions of the article have been copied legally, which should be added to the article. Still better would be a complete rewrite, but I don't currently feel qualified to do this, and would defer to somebody with more expertise on the subject. Reify-tech (talk) 21:48, 1 July 2015 (UTC)[reply]

Inspection of the paper cited above shows that this article was indeed copied from that paper: it also appears to be the source of the faulty infinity symbol, since corrected. As the article is very US-based, it would help to cite material from elsewhere, and in particular on international standards such as ISO 9706. I found this article on the limits of ISP 9706 interesting, Wikipedia may like to cite it: ISO 9706: How long is long life? (Like others here, I do not feel I have sufficiently expertise to edit the article myself. I have no connection with R K Burt & Company.) 80.189.134.60 (talk) 20:32, 22 August 2016 (UTC) dww[reply]