User contributions for Preimage
A user with 264 edits. Account created on 17 September 2022.
14 August 2024
- 12:3112:31, 14 August 2024 diff hist +29 Guanidine →Chembox_Properties: Add pKb current
- 12:2612:26, 14 August 2024 diff hist +26 Urea →Chembox_Properties: Add conjugate acid (uronium) current
- 09:1709:17, 14 August 2024 diff hist +424 Urea →Decomposition: Urea interconverts with ammonium cyanate via ammonia elimination, not hydrolysis to carbamic acid
- 08:1608:16, 14 August 2024 diff hist −225 Brazilian hair straightening Remove WP:REFSPAM 19:29, 17 August 2022 (link to commercial site that does not back up claim, added by single-edit WP account) current
- 07:5407:54, 14 August 2024 diff hist −279 Brazilian hair straightening Remove WP:REFSPAM 13:41, 18 May 2020 (IP edit) + 12:30, 11 October 2020 (website went live 2020-10-06, added here 2020-10-11 by single-edit WP account)
13 August 2024
- 14:0014:00, 13 August 2024 diff hist −686 Acid rain →Surface waters and aquatic animals: Remove ref on SO2 and NO2 dry deposition (isn't acid rain) + change SO2 to H2SO4, N2O [sic] to HNO3 + copyedit - fixes error from 23:36, 24 March 2021, transferred here in 15:44, 6 February 2024
12 August 2024
- 17:0317:03, 12 August 2024 diff hist −16 m Remediation of per- and polyfluoroalkyl substances Copyedit lede + change PFAS's to PFAS current
- 14:2314:23, 12 August 2024 diff hist +563 Nitroguanidine →Manufacture: Fix error from 01:22, 16 December 2022 - the BMR process is not the same as the BMA process current
8 August 2024
- 14:1914:19, 8 August 2024 diff hist +4 m Organic geochemistry Add wiki link current
- 13:5613:56, 8 August 2024 diff hist +26 m Diamantane Add wiki link current
- 12:3712:37, 8 August 2024 diff hist +4 m Fagopyrin Add wiki link current
23 July 2024
- 05:2305:23, 23 July 2024 diff hist +19 m Pratt certificate Specialize link to section current Tag: Redirect target changed
- 05:0305:03, 23 July 2024 diff hist +1 m Crossed homomorphism Fix redirect to section current Tag: Redirect target changed
14 July 2024
- 05:2205:22, 14 July 2024 diff hist +653 Draft talk:Urea hydrochloride →Even garbage: Let's have a look at what's currently wrong with it current Tag: Reply
11 July 2024
- 14:3214:32, 11 July 2024 diff hist +29 N Urea-1-carboxylate Redirect to allophanic acid current Tags: New redirect Uncategorized redirect
- 14:1514:15, 11 July 2024 diff hist +26 m Urea process Specialize redirect link current Tag: Redirect target changed
- 14:1514:15, 11 July 2024 diff hist +26 m Urea process for hydrazine production Specialize redirect link current Tag: Redirect target changed
- 14:1314:13, 11 July 2024 diff hist +19 m Urea perchlorate Add category: ureas current
10 July 2024
- 12:4912:49, 10 July 2024 diff hist +627 Draft:Urea hydrochloride Quinine urea hydrochloride - copyedit + improve citations (Thibault 1907, Hertzler et al. 1909)
- 05:0205:02, 10 July 2024 diff hist +2,478 Draft:Urea hydrochloride Uncomment + add chemistry info w/references: Beilstein, Gmelin, Dessaignes
8 July 2024
- 15:0915:09, 8 July 2024 diff hist +53 Stephen Jay Gould →Final illness and death: Clarify: Gould's second cancer is not related to the first, but may share a common cause (asbestos exposure)
- 15:0015:00, 8 July 2024 diff hist −109 Asbestosis Reverted good faith edit 03:03, 18 July 2021 - Stephen Jay Gould died from metastatic adenocarcinoma, which is not asbestosis (albeit also associated with asbestos exposure) current
7 July 2024
- 08:2808:28, 7 July 2024 diff hist +894 Draft talk:Urea hydrochloride →Article creation is preceded by finding great refs: Add Beilstein Tag: Reply
- 03:5503:55, 7 July 2024 diff hist −159 Draft talk:Urea hydrochloride Amide hydrolysis - getting the chemistry right (apologies)
6 July 2024
- 18:0818:08, 6 July 2024 diff hist −13 m Draft talk:Urea hydrochloride Fix indentation
- 18:0718:07, 6 July 2024 diff hist +4,680 Draft talk:Urea hydrochloride →Article creation is preceded by finding great refs: Here's a good reference for the chemistry Tag: Reply
5 July 2024
- 17:5817:58, 5 July 2024 diff hist +211 Draft talk:Urea hydrochloride Structure papers for the hydrochloride?
- 17:5517:55, 5 July 2024 diff hist +177 Draft talk:Urea hydrochloride →Article creation is preceded by finding great refs: Reply Tag: Reply
- 17:3817:38, 5 July 2024 diff hist +12 m Draft talk:Urea hydrochloride Copyediting
- 17:3517:35, 5 July 2024 diff hist +89 Draft talk:Urea hydrochloride Urea phosphate and sulfate
- 17:2017:20, 5 July 2024 diff hist +186 Draft talk:Urea hydrochloride Add neutron diffraction paper
- 16:5716:57, 5 July 2024 diff hist −23 Draft talk:Urea hydrochloride Copyedit + add wiki link
- 16:3116:31, 5 July 2024 diff hist +766 Draft talk:Urea hydrochloride →Article creation is preceded by finding great refs: Uronium salts
- 12:4612:46, 5 July 2024 diff hist −9 m Guanidine →Medicine: Fix typo
- 11:4111:41, 5 July 2024 diff hist +2,103 Per- and polyfluoroalkyl substances →Definition: Clarify minor error in OECD/UNEP 2018 + add EPA 2023 + split by OECD vs EPA [next: explain Gaines 2023 used by DSSTox] Tag: nowiki added
- 09:2109:21, 5 July 2024 diff hist +9 m Template:Chembox/doc →Medium form: Update right column (parameter doco) to align it with the left column - last revision these were in sync was 00:23, 25 August 2023 current
- 08:4008:40, 5 July 2024 diff hist +29 Draft:Urea hydrochloride Minor updates - names, categories, decomposition - changed intro to be more similar to guanidinium chloride
- 08:2808:28, 5 July 2024 diff hist +50 m Guanidine Add category
4 July 2024
- 16:3216:32, 4 July 2024 diff hist −1 m Polyvinylidene fluoride →Safety and regulations: Fix url in citation, spelling / capitalization
- 16:1516:15, 4 July 2024 diff hist +1,153 Per- and polyfluoroalkyl substances →Definition: Add working definition used in 2018 OECD/UNEP report
- 14:2014:20, 4 July 2024 diff hist −4 m Per- and polyfluoroalkyl substances →Definition: Perfluoroalkyl is univalent (not divalent)
- 14:1314:13, 4 July 2024 diff hist −467 m Per- and polyfluoroalkyl substances Dedupe citation (Buck et al. 2011)
- 09:5109:51, 4 July 2024 diff hist +679 m Ethane →Usage: SABIC ethanoic acid plant - add citations
30 June 2024
- 13:4613:46, 30 June 2024 diff hist −2 m Yungeen Ace Undid revision 1231761383 by 2003:CC:7F10:5FCC:70B9:B909:3D9D:4341 (talk) Tags: Undo Reverted
- 13:3613:36, 30 June 2024 diff hist +22 m Pumarosa Add {{Authority control}} template
- 12:4512:45, 30 June 2024 diff hist +903 Cyclopentane →Production, occurrence and use: Alkylated cyclopentanes are specialty lubricants - removed in 03:02, 28 August 2022 - readded with additional citations current
- 12:2212:22, 30 June 2024 diff hist +242 Talk:Cyclopentane →No Specific Use?: Cyclopentane is used as a blowing agent (e.g. fridge insulation) current Tag: Reply
- 12:1812:18, 30 June 2024 diff hist +386 Cyclopentane →Production, occurrence and use: Added back safety info - accidentally deleted last edit
- 12:1512:15, 30 June 2024 diff hist +539 Cyclopentane →Production, occurrence and use: Cyclopentane is not a refrigerant, but is used as a blowing agent e.g. in fridge insulation - this fixes 10:34, 12 May 2021 (by reapplying 20:23, 4 December 2021), over-deletion 03:02, 28 August 2022, re-addition 00:43, 10 February 2023, etc.
- 10:4010:40, 30 June 2024 diff hist +260 m Perfluoroether →Low molecular weight fluorinated ethers: Perfluorovinyl ether synthesis: add citation current
