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Wiki Education Foundation-supported course assignment

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This article is or was the subject of a Wiki Education Foundation-supported course assignment. Further details are available on the course page. Student editor(s): Asunol.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 04:23, 17 January 2022 (UTC)[reply]

Missing source

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Brack, D.W. J. Chem. Ed., 41, 768 (1964)

This citation does not exist. There is no author named Brack who has published any article in the Journal of Chemical Education. Page 768 does not even exist in the issue number 41.

JCE Index Search Results List

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 	  	Displaying 4 records: 1 to 4 of 4 found

1. Analysis of OxiClean: An Interesting Comparison of Percarbonate Stain Removers 

  Bracken, Jeffrey D.; Tietz, David 	2005, 82, 762
 Abstract  Full text

2. The History and Use of Our Earth's Chemical Elements: A Reference Guide (by Robert E. Krebs) 

  Bracken, Jeffrey D. 	1999, 76, 475
 Abstract  Full text

3. Parasitic diseases and the chemist. 

  Brackett, Sterling. 	1950, 27, 286
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4. Thomas Green Clemson, LL.D., the chemist. 

  Brackett, R. N. 	1928, 5, 433
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 	  	Displaying 4 records: 1 to 4 of 4 found

http://search.jce.divched.org:8081/JCEIndex/FMPro

—Preceding unsigned comment added by 131.111.116.1 (talk) 07:04, November 8, 2007


The correct citation is Breck, D.W. J. Chem. Ed. 1964(41), 678. I revised the article's references. Here's a link to the article, for subscribers.

Walkman16 (talk) 22:40, 26 November 2007 (UTC)walkman16[reply]

Please consider and take into account that agarose and polyacrylamide gels or solutions can act as very efficient molecular sieves in electrophoreses.--Michaoje (talk) 20:27, 25 September 2013 (UTC)[reply]

MS accronym

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Please provide a source for the accronym MS, otherwise it will be removed from the dissambiguation page. --CyclePat (talk) 07:36, 21 December 2008 (UTC)[reply]

It may be almost 5 years after your post, but a quick Google search for molecular sieve "MS" throws up these links:
I'll cite one of the textbooks, seeing as we're supposed to use WP:SECONDARY and tertiary sources. Tomásdearg92 (talk) 23:16, 25 September 2013 (UTC)[reply]

physical parameters

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What are the average drying regeneration temperature of molecular seive? —Preceding unsigned comment added by 216.68.49.2 (talk) 17:04, 4 August 2009 (UTC)[reply]

Adsorption vs. Absorption

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There have been numerous edits incorrectly changing "adsorption" to "absorption." Keep an eye out for these edits, as there is a big difference between the two terms.

--Cuitarded (talk) 16:13, 7 September 2010 (UTC)[reply]

References in section titles

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References do not belong in section titles. That is the case for "Adsorption capabilities" and "FDA approval". It should be changed. --Mortense (talk) 21:58, 20 August 2011 (UTC)[reply]

Picture with US coin

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OK, how big is a U.S. quarter? Could we get another picture, maybe with a proper scale (ie. in metric). Contrary to some people's belief, there are other countries, other than the US. 58.6.45.95 (talk) 01:23, 28 January 2012 (UTC)[reply]

I fully agree, in the meantime, I've added the diameter of the quarter in the photo. Tomásdearg92 (talk) 16:42, 15 February 2014 (UTC)[reply]

Missing Introduction

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This article doesn't have an introduction. It had one in December; what happened to it? I would suggest we replace the original intro, to give readers a brief insight into the subject before plunging them into the detail; if there are no objections I will do so in a few days. Moonraker12 (talk) 13:48, 13 April 2013 (UTC)[reply]

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3A also used for methanol / ethanol

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3A also used for methanol / ethanol, see https://en.wikipedia.org/wiki/Applejack_(drink), under 'Decline in Popularity'. You might want to add to the 'Adsorption capabilities' table. 162.207.203.26 (talk) 18:31, 9 March 2019 (UTC)[reply]

application in medical oxygen device

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I'm just proposing that someone add a mention of the fact that they are also used in oxygen concentrators to remove nitrogen etc to output 95% pure oxygen. This could be added near the sentences about air filtration for firefights.

Also, it seems like there are an excessive amount of parenthesis, even in instances where a comma or new sentence would have been the better choice. 74.75.97.218 (talk) 21:19, 6 February 2020 (UTC)[reply]

Photo caption does not make sense

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"A sealed canister, commonly filled with silica gel and other molecular sieves used as desiccant in drug containers to keep contents dry." What does this mean? Equinox ◑ 12:12, 3 April 2023 (UTC)[reply]

Good point. I dont think that anyone would object to replacing the image, so I put in a suggestion. The replacement image shows the structure of the aluminosilicate framework that comprises the so-called LTA (Linde type-A, or zeolite-A). Not shown are the Na+ centers that attract the water. Strangely, Wikipedia lacks an article on Zeolite A. --Smokefoot (talk) 17:02, 3 April 2023 (UTC)[reply]

Plagiarism?

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Much of this article from the "zeolite" section down appears to be copied word for word from this page: https://hengyeinc.com/13x-zeolite-uses/

Additionally, the tone of that piece doesn't really match Wikipedia's style. Unfortunately, I think fixing the issue would require a much deeper understanding of molecular sieves than I currently possess. Plasticpickle (talk) 13:44, 1 October 2024 (UTC) @Plasticpickle:[reply]

  • About the plagiarism, your comment is unclear. I guess that you are saying that the Zeolite section is copied from hengyeinc.com? Anything else?
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