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| Date | Name | Thumbnail | Size | User | Description | Versions |
|---|---|---|---|---|---|---|
| 21:52, 19 October 2020 | Tetraiodobismuthate.jpg (file) |  |
3.16 MB | Diachrynic | A solution of bismuth(III) with excess potassium iodide forms the orange complex ion tetraiodobismuthate [BiI<sub>4</sub>]<sup>-</sup> | 1 |
| 21:48, 19 October 2020 | Bismuth oxynitrate.jpg (file) |  |
3.48 MB | Diachrynic | When an acidic solution of bismuth nitrate is diluted in water, bismuth oxynitate precipitates and settles after a while | 1 |
| 21:45, 19 October 2020 | Bismuth nitrate pentahydrate.jpg (file) |  |
307 KB | Diachrynic | Crystal of bismuth nitrate pentahydrate under the microscope, the crystal is about 3 mm long | 1 |
| 16:58, 28 September 2020 | Vanadium V tetraperoxide.jpg (file) |  |
1.94 MB | Diachrynic | Solution of a blue V(V) tetraperoxospecies, V(O<sub>2</sub>)<sub>4</sub><sup>3-<sup> | 1 |
| 16:53, 28 September 2020 | Vanadium V oxoperoxide.jpg (file) |  |
1.93 MB | Diachrynic | Solution of a red V(V) oxoperoxospecies, VO(O<sub>2</sub>)<sup>+</sup> | 1 |
| 16:51, 28 September 2020 | Vanadium V oxodiperoxide.jpg (file) |  |
1.83 MB | Diachrynic | Solution of a yellow V(V) oxoperoxospecies, VO(O<sub>2</sub>)<sub>2</sub><sup>-</sup> or VO<sub>2</sub>(O<sub>2</sub>)<sub>2</sub><sup>3-</sup> | 1 |
| 16:45, 28 September 2020 | Vanadium IV ions basic.jpg (file) |  |
1.92 MB | Diachrynic | Solution of V(IV) in basic solution, the red-brown color is due to VO(OH)<sub>3</sub><sup>-</sup> | 1 |
| 16:43, 28 September 2020 | Vanadium IV ions acid.jpg (file) |  |
1.92 MB | Diachrynic | Solution of V(IV) in HCl, the blue color is due to VO<sup>2+</sup>, made by the oxidation of V(III) with chlorine in acidic solution | 1 |
| 16:40, 28 September 2020 | Vanadium III hydroxide.jpg (file) |  |
1.94 MB | Diachrynic | Precipitate formed from a solution of VCl<sub>3</sub> and NaOH, likely V(OH)3<sub>3</sub> or a hydrated oxide of V(III) | 1 |
| 16:38, 28 September 2020 | Vanadium III chloride water.jpg (file) |  |
1.75 MB | Diachrynic | Solution of VCl<sub>3</sub> in water, the brown color is due to various hydrolysed species like VO<sup>+</sup> | 1 |
| 16:36, 28 September 2020 | Vanadium III chloride HCl.jpg (file) |  |
1.81 MB | Diachrynic | Solution of VCl<sub>3</sub> in HCl | 1 |
| 16:35, 28 September 2020 | Vanadium II.jpg (file) |  |
1.98 MB | Diachrynic | Solution of V(II) made by the reduction of V(III) with zinc in hydrochloric acid | 1 |
| 19:31, 27 September 2020 | Glyoxal structural formula.png (file) |  |
7 KB | Draeger | The structural formula of glyoxal. The license is public domain. | 1 |
| 13:21, 27 September 2020 | Hydroxylamine hydrochloride micro.jpg (file) |  |
266 KB | Diachrynic | Crystals of hydroxylamine hydrochloride under the microscope, horizontal view window is about 3 mm | 1 |
| 13:20, 27 September 2020 | Hydroxylamine hydrochloride2.jpg (file) |  |
2.53 MB | Diachrynic | Small crystals of hydroxylamine hydrochloride made from the hydrolysis of nitromethane | 1 |
| 13:16, 27 September 2020 | Hydroxylamine hydrochloride1.jpg (file) |  |
3.13 MB | Diachrynic | 1 | |
| 09:39, 25 September 2020 | Polyselenide.jpg (file) |  |
1.62 MB | Diachrynic | A solution of sodium polyselenide in excess sodium hydroxide solution, made by dissolving selenium powder in hot 40% NaOH. | 1 |
| 09:38, 25 September 2020 | Selenium cation.jpg (file) |  |
1.77 MB | Diachrynic | The green selenium cation Se8(2+) in sulfuric acid solution. It was made by dissolving selenium powder in hot concentrated sulfuric acid. | 1 |
| 09:37, 25 September 2020 | Red Selenium.jpg (file) |  |
2.18 MB | Diachrynic | A sample of red selenium produced by the reduction of selenous acid with sulfur dioxide. | 1 |
| 22:55, 24 September 2020 | Trifluoroacetic acid structural formula.png (file) |  |
3 KB | Draeger | The structural formula of trifluoroacetic acid. The license is public domain. | 1 |
| 22:47, 24 September 2020 | Difluoroacetic acid structural formula.png (file) |  |
5 KB | Draeger | The structural formula of difluoroacetic acid. The license is public domain. | 1 |
| 22:32, 24 September 2020 | Nonane structural formula.png (file) |  |
563 B | Draeger | The structural formula of nonane. The license is public domain. | 1 |
| 23:20, 5 September 2020 | Americium microscope.jpg (file) |  |
644 KB | Draeger | A small disc of americium under a microscope. License is noted below: [https://commons.wikimedia.org/wiki/User:Bionerd Bionerd], [https://commons.wikimedia.org/wiki/File:Americium_microscope.jpg Americium microscope], [https://creativecommons.org/lice... | 1 |
| 21:47, 30 August 2020 | Actinium.png (file) |  |
2.28 MB | Draeger | Picture of a sample of actinium. License is below: Oak Ridge National Laboratory (https://commons.wikimedia.org/wiki/File:Actinium_sample_(31481701837).png), „Actinium sample (31481701837)“, Image resized, https://creativecommons.org/licenses/by/2... | 1 |
| 13:17, 29 August 2020 | Phthalic anhydride structural formula.png (file) |  |
19 KB | Draeger | The structural formula of phthalic anhydride. License is public domain. | 1 |
| 10:52, 24 August 2020 | Einsteinium.jpg (file) |  |
16 KB | Draeger | Image of Einsteinium glowing in the dark by ionizing the air around it. License is public domain. | 1 |
| 20:40, 23 August 2020 | Cadmium oxide.jpg (file) |  |
199 KB | Draeger | A picture of cadmium oxide powder, beta form. License is public domain. | 1 |
| 19:39, 22 August 2020 | Trichloroacetic acid structural formula.png (file) |  |
3 KB | Draeger | The structural formula of trichloroacetic acid. License is public domain. | 1 |
| 15:14, 22 August 2020 | Niacin structural formula.png (file) |  |
14 KB | Draeger | The structural formula of niacin. License is public domain. | 1 |
| 15:10, 22 August 2020 | Nicotine structural formula.png (file) |  |
9 KB | Draeger | The structural formula of nicotine. License is public domain. | 1 |
| 11:38, 20 August 2020 | Benzylamine skeletal formula.png (file) |  |
6 KB | Draeger | The skeletal formula of Benzylamine. License is public domain. | 1 |
| 23:04, 14 August 2020 | Manganese(II) chloride tetrahydrate.jpeg (file) | _chloride_tetrahydrate.jpeg) |
1.38 MB | Draeger | A picture of MnCl2*4H2O on a dish. License is public domain. | 1 |
| 10:40, 11 August 2020 | Nitromethane structural formula.png (file) |  |
5 KB | Draeger | The structural formula of nitromethane. License is public domain. | 1 |
| 08:39, 11 August 2020 | Naphthalene sublimated crystals.jpg (file) |  |
1.08 MB | Diachrynic | Microscopic view of sublimated naphthalene crystals. Horizontal view window is about 4.5 mm wide. | 1 |
| 08:38, 11 August 2020 | Naphthalene mothballs.jpg (file) |  |
2.86 MB | Diachrynic | Mothballs containing naphthalene | 1 |
| 01:32, 9 August 2020 | Propionic acid structural formula.png (file) |  |
2 KB | Draeger | The structural formula of propionic acid. The license is public domain. | 1 |
| 01:20, 9 August 2020 | Ethyl formate structural formula.png (file) |  |
4 KB | Draeger | The structural formula of ethyl formate. The license is public domain. | 1 |
| 00:24, 9 August 2020 | Propionic anhydride skeletal structure.png (file) |  |
5 KB | Draeger | The skeletal structure of propionic anhydride. The license is public domain. | 1 |
| 00:11, 9 August 2020 | Ethene skeletal structure.png (file) |  |
3 KB | Draeger | The skeletal structure of ethene. The license is public domain. | 1 |
| 23:49, 8 August 2020 | Naphthalene skeletal structure.png (file) |  |
7 KB | Draeger | The skeletal structure of naphthalene. The license is public domain. | 1 |
| 23:18, 8 August 2020 | Heptane Structure.png (file) |  |
4 KB | Draeger | Resized the transparent background to be square-shaped. | 2 |
| 23:56, 7 August 2020 | Barbituric Acid structural formula.png (file) |  |
4 KB | Draeger | The structural formula of barbituric acid. License is public domain. | 1 |
| 09:50, 4 August 2020 | Tungsten carbide.jpg (file) |  |
1.97 MB | Diachrynic | A small piece of tungsten carbide | 1 |
| 18:22, 3 August 2020 | Monosodium glutamate micro.jpg (file) |  |
336 KB | Diachrynic | Commercial monosodium glutamate crystals under the microscope, horizontal view window is about 3 mm | 1 |
| 18:01, 3 August 2020 | Nickel aminoguanidine perchlorate micro.jpg (file) |  |
346 KB | Diachrynic | Bis(aminoguanidine)nickel(II) perchlorate crystals under the microscope, horizontal view window is about 3 mm | 1 |
| 18:01, 3 August 2020 | Nickel aminoguanidine perchlorate.jpg (file) |  |
1.91 MB | Diachrynic | Bis(aminoguanidine)nickel(II) perchlorate | 1 |
| 17:59, 3 August 2020 | Nickel aminoguanidine sulfate and nitrate.jpg (file) |  |
3.62 MB | Diachrynic | Bis(aminoguanidine)nickel(II) sulfate (left) and Bis(aminoguanidine)nickel(II) nitrate (right) | 1 |
| 17:58, 3 August 2020 | Aminoguanidine bicarbonate micro.jpg (file) |  |
373 KB | Diachrynic | 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 | 1 |
| 17:56, 3 August 2020 | Aminoguanidine bicarbonate 2.jpg (file) |  |
3.15 MB | Diachrynic | Aminoguanidine bicarbonate made from the reduction of nitroguanidine with zinc powder and ammonium sulfate | 1 |
| 17:36, 3 August 2020 | Guanidine nitrate.jpg (file) |  |
2.43 MB | Diachrynic | Guanidine nitrate made from melting urea and ammonium nitrate with a silicon dioxide catalyst after one recrystallization | 1 |
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