Primary standard: Revision history

22 May 2024

• curprev 03:1703:17, 22 May 2024‎ LucasBrown talk contribs‎ 3,759 bytes +13‎ Changing short description from "The highest-quality standard in metrology" to "The highest-quality standard in metrology or chemistry" undo Tag: Shortdesc helper
• curprev 03:1603:16, 22 May 2024‎ LucasBrown talk contribs‎ 3,746 bytes +64‎ Adding local short description: "The highest-quality standard in metrology", overriding Wikidata description "in metrology, highest quality standard accepted without reference to other standards of the same quantity" undo Tag: Shortdesc helper

26 September 2023

• curprev 06:2406:24, 26 September 2023‎ Tahi13 talk contribs‎ m 3,682 bytes +92‎ added a point in the features undo Tag: Visual edit

27 May 2023

• curprev 22:3222:32, 27 May 2023‎ Jerojasro talk contribs‎ 3,590 bytes +4‎ →‎In chemistry undo

20 April 2022

• curprev 07:3907:39, 20 April 2022‎ Citation bot talk contribs‎ 3,586 bytes +23‎ Add: date. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 2/3 undo

5 December 2021

• curprev 11:0811:08, 5 December 2021‎ 188.105.3.176 talk‎ 3,563 bytes +23‎ +german interwiki undo

4 December 2021

• curprev 00:4300:43, 4 December 2021‎ Rlink2 talk contribs‎ m 3,540 bytes +3‎ →‎External links: archive link repair, may include: archive.* -> archive.today, and http->https for ghostarchive.org and archive.org (wp:el#Specifying_protocols) undo Tag: AWB

26 October 2021

• curprev 09:0009:00, 26 October 2021‎ Citation bot talk contribs‎ 3,537 bytes +99‎ Add: title. Changed bare reference to CS1/2. | Use this bot. Report bugs. | Suggested by BrownHairedGirl | Linked from User:BrownHairedGirl/Articles_with_bare_links | #UCB_webform_linked 1027/2195 undo

12 September 2021

• curprev 14:4314:43, 12 September 2021‎ Serols talk contribs‎ m 3,438 bytes +31‎ Reverted edits by 2409:4072:8E97:2325:AAC5:7085:7683:1E7F (talk) (HG) (3.4.10) undo Tag: Rollback
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12 January 2021

• curprev 21:1021:10, 12 January 2021‎ WikiCleanerBot talk contribs‎ m 3,438 bytes −1‎ v2.04b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation) undo Tag: WPCleaner

15 November 2020

• curprev 12:1312:13, 15 November 2020‎ Materialscientist talk contribs‎ m 3,439 bytes 0‎ Reverted edits by 116.66.189.160 (talk) (HG) (3.4.10) undo Tag: Rollback
• curprev 12:1312:13, 15 November 2020‎ 116.66.189.160 talk‎ 3,439 bytes 0‎ →‎In chemistry undo Tags: Reverted Visual edit

21 February 2020

• curprev 13:1613:16, 21 February 2020‎ 193.164.228.34 talk‎ 3,439 bytes +2‎ No edit summary undo
• curprev 13:1513:15, 21 February 2020‎ 193.164.228.34 talk‎ 3,437 bytes +67‎ Removed the mention that the European Pharmacopoeia defines these primary standards (it is their high purity that defines them as primary standard) undo

12 September 2019

• curprev 20:0620:06, 12 September 2019‎ Kinetic37 talk contribs‎ 3,370 bytes +1‎ Reverted 1 edit by 115.187.57.85 (talk): Rv misspelling (TW) undo Tag: Undo
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5 April 2018

• curprev 08:5308:53, 5 April 2018‎ 101.161.26.86 talk‎ 3,370 bytes 0‎ →‎In chemistry undo

31 March 2018

• curprev 14:4814:48, 31 March 2018‎ InternetArchiveBot talk contribs‎ 3,370 bytes +34‎ Rescuing 1 sources and tagging 0 as dead. #IABot (v1.6.5) undo

10 February 2018

• curprev 22:0622:06, 10 February 2018‎ 146.6.150.57 talk‎ 3,336 bytes −4‎ I removed the hyperlink for working standard, because it links to labor laws and standards for labor not a standard of measurement undo Tag: Visual edit

20 September 2017

• curprev 13:5113:51, 20 September 2017‎ ClueBot NG talk contribs‎ m 3,340 bytes +3,249‎ Reverting possible vandalism by 148.253.183.155 to version by PrimeBOT. Report False Positive? Thanks, ClueBot NG. (3130652) (Bot) undo
• curprev 13:5113:51, 20 September 2017‎ 148.253.183.155 talk‎ 91 bytes −3,249‎ necisary undo Tag: Visual edit

26 June 2017

• curprev 00:1500:15, 26 June 2017‎ PrimeBOT talk contribs‎ m 3,340 bytes +8‎ Replace magic links with templates per local RfC - BRFA undo

21 March 2016

• curprev 13:1213:12, 21 March 2016‎ 180.255.248.200 talk‎ 3,332 bytes −1‎ →‎In chemistry: Fixed grammar undo Tags: Mobile edit Mobile web edit

14 October 2015

• curprev 17:5317:53, 14 October 2015‎ Matthiaspaul talk contribs‎ 3,333 bytes +17‎ Improved links undo

7 August 2015

• curprev 20:2920:29, 7 August 2015‎ 5.42.193.177 talk‎ 3,316 bytes +1‎ →‎In chemistry undo

7 July 2015

• curprev 01:3901:39, 7 July 2015‎ IdentityCrisis talk contribs‎ 3,315 bytes −8‎ Undid revision 670069604 by 183.171.169.144 (talk) undo

5 July 2015

• curprev 16:3716:37, 5 July 2015‎ 183.171.169.144 talk‎ 3,323 bytes +8‎ →‎In chemistry undo

24 May 2015

• curprev 14:0714:07, 24 May 2015‎ Winner 42 talk contribs‎ m 3,315 bytes −4,683‎ Reverted edits by 202.58.99.154 (talk) (HG) undo
• curprev 14:0114:01, 24 May 2015‎ 202.58.99.154 talk‎ 7,998 bytes +4,683‎ →‎External links: General Specifications Manufacturer: LGE Model: LG-E988 Android: 4.1.2; F240K10r.1370410379; SDK16 KERNEL: Linux version 3.4.0-perf-gbc2545e-00004-g3f9bdaa (gyumin.jeong@LGEARND2B7) (gcc version 4.6.x-google 20120106 (pr... undo Tags: Mobile edit Mobile web edit adding email address

22 February 2015

• curprev 16:0816:08, 22 February 2015‎ 82.32.233.64 talk‎ 3,315 bytes −1‎ →‎In chemistry undo

9 February 2015

• curprev 08:0508:05, 9 February 2015‎ HiTechHiTouch talk contribs‎ 3,316 bytes +57‎ add reference to metrology undo

18 February 2014

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13 January 2014

• curprev 13:3113:31, 13 January 2014‎ Akodoori talk contribs‎ 3,259 bytes +154‎ →‎In chemistry undo

28 February 2013

• curprev 10:2410:24, 28 February 2013‎ Addbot talk contribs‎ m 3,105 bytes −76‎ Bot: Migrating 3 interwiki links, now provided by Wikidata on d:q911470 (Report Errors) undo

14 January 2013

• curprev 20:1620:16, 14 January 2013‎ 140.160.50.46 talk‎ 3,181 bytes +11‎ No edit summary undo

27 October 2012

• curprev 11:4311:43, 27 October 2012‎ H Padleckas talk contribs‎ 3,170 bytes +128‎ →‎In chemistry: mentioned standard solutions undo
• curprev 11:3111:31, 27 October 2012‎ H Padleckas talk contribs‎ m 3,042 bytes 0‎ →‎In chemistry: Capitalization undo

11 October 2012

• curprev 18:3818:38, 11 October 2012‎ 174.95.48.250 talk‎ 3,042 bytes −1‎ fixed higroscopicity link undo
• curprev 18:3818:38, 11 October 2012‎ 174.95.48.250 talk‎ 3,043 bytes −3‎ High equivalent weight is relatively more important than non-toxicity or price/availability. undo
• curprev 18:3618:36, 11 October 2012‎ 174.95.48.250 talk‎ 3,046 bytes −2‎ Removed extra characters and corrected statement: "(The last three are not as essential as the first four)" - there are only 6 points in total. undo

4 October 2012

• curprev 12:4812:48, 4 October 2012‎ 114.79.60.239 talk‎ 3,048 bytes −8‎ →‎In chemistry undo
• curprev 12:4812:48, 4 October 2012‎ 114.79.60.239 talk‎ 3,056 bytes −67‎ →‎In chemistry undo

28 August 2012

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21 August 2012

• curprev 15:3515:35, 21 August 2012‎ 165.234.221.164 talk‎ 3,123 bytes −18‎ →‎In chemistry undo

25 March 2012

• curprev 02:3902:39, 25 March 2012‎ Helpful Pixie Bot talk contribs‎ m 3,141 bytes +7‎ ISBNs (Build J/) undo

29 November 2011

• curprev 02:5902:59, 29 November 2011‎ Dcirovic talk contribs‎ 3,134 bytes +25‎ No edit summary undo

28 November 2011

• curprev 14:4514:45, 28 November 2011‎ Dcirovic talk contribs‎ 3,109 bytes −135‎ No edit summary undo

4 August 2011

• curprev 23:0523:05, 4 August 2011‎ SURIV talk contribs‎ m 3,244 bytes −57‎ Reverted edits by 92.251.255.12 (talk) to last version by 99.246.120.79 undo

17 June 2011

• curprev 13:3713:37, 17 June 2011‎ 92.251.255.12 talk‎ 3,301 bytes +57‎ No edit summary undo