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(newest | oldest) View (newer 20 | older 20) (20 | 50 | 100 | 250 | 500)- 23:18, 8 August 2020 Draeger (Talk | contribs) uploaded a new version of File:Heptane Structure.png (Resized the transparent background to be square-shaped.)
- 23:12, 8 August 2020 Draeger (Talk | contribs) uploaded File:Heptane Structure.png (The skeletal structure of heptane. The license is public domain.)
- 23:56, 7 August 2020 Draeger (Talk | contribs) uploaded File:Barbituric Acid structural formula.png (The structural formula of barbituric acid. License is public domain.)
- 20:24, 7 August 2020 User account Draeger (Talk | contribs) was created by Zts16 (Talk | contribs)
- 09:50, 4 August 2020 Diachrynic (Talk | contribs) uploaded File:Tungsten carbide.jpg (A small piece of tungsten carbide)
- 18:22, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Monosodium glutamate micro.jpg (Commercial monosodium glutamate crystals under the microscope, horizontal view window is about 3 mm)
- 18:01, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Nickel aminoguanidine perchlorate micro.jpg (Bis(aminoguanidine)nickel(II) perchlorate crystals under the microscope, horizontal view window is about 3 mm)
- 18:01, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Nickel aminoguanidine perchlorate.jpg (Bis(aminoguanidine)nickel(II) perchlorate)
- 17:59, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Nickel aminoguanidine sulfate and nitrate.jpg (Bis(aminoguanidine)nickel(II) sulfate (left) and Bis(aminoguanidine)nickel(II) nitrate (right))
- 17:58, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate micro.jpg (Aminoguanidine bicarbonate made from the reduction of nitroguanidine with zinc powder and ammonium sulfate as a microscopic view, horizontal view window is about 3 mm)
- 17:56, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate 2.jpg (Aminoguanidine bicarbonate made from the reduction of nitroguanidine with zinc powder and ammonium sulfate)
- 17:36, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Guanidine nitrate.jpg (Guanidine nitrate made from melting urea and ammonium nitrate with a silicon dioxide catalyst after one recrystallization)
- 17:25, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Nitroguanidine micro.jpg (Microscope view, the horizontal view window is about 3 mm across)
- 17:24, 3 August 2020 Diachrynic (Talk | contribs) uploaded File:Nitroguanidine 2.jpg
- 21:21, 30 July 2020 Brain&Force (Talk | contribs) automatically marked revision 13124 of page Neodymium iron boron magnet patrolled
- 21:17, 30 July 2020 Brain&Force (Talk | contribs) automatically marked revision 13123 of page Europium patrolled
- 21:11, 30 July 2020 Brain&Force (Talk | contribs) automatically marked revision 13122 of page Europium patrolled
- 21:01, 30 July 2020 Brain&Force (Talk | contribs) automatically marked revision 13121 of page Ytterbium patrolled
- 05:51, 27 July 2020 Brain&Force (Talk | contribs) automatically marked revision 13115 of page Ytterbium patrolled
- 18:04, 30 June 2020 Mabus (Talk | contribs) uploaded File:Structure of 2,2,4-trimethylpentane isooctane.png (Source: https://commons.wikimedia.org/wiki/File:2,2,4-Trimethylpentan.svg)