File list
This special page shows all uploaded files.
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Date | Name | Thumbnail | Size | Description | Versions |
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16:36, 28 September 2020 | Vanadium III chloride HCl.jpg (file) | 1.81 MB | Solution of VCl<sub>3</sub> in HCl | 1 | |
16:35, 28 September 2020 | Vanadium II.jpg (file) | 1.98 MB | Solution of V(II) made by the reduction of V(III) with zinc in hydrochloric acid | 1 | |
13:21, 27 September 2020 | Hydroxylamine hydrochloride micro.jpg (file) | 266 KB | 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 | Small crystals of hydroxylamine hydrochloride made from the hydrolysis of nitromethane | 1 | |
13:16, 27 September 2020 | Hydroxylamine hydrochloride1.jpg (file) | 3.13 MB | 1 | ||
09:39, 25 September 2020 | Polyselenide.jpg (file) | 1.62 MB | 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 | 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 | A sample of red selenium produced by the reduction of selenous acid with sulfur dioxide. | 1 | |
08:39, 11 August 2020 | Naphthalene sublimated crystals.jpg (file) | 1.08 MB | 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 | Mothballs containing naphthalene | 1 | |
09:50, 4 August 2020 | Tungsten carbide.jpg (file) | 1.97 MB | A small piece of tungsten carbide | 1 | |
18:22, 3 August 2020 | Monosodium glutamate micro.jpg (file) | 336 KB | 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 | 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 | Bis(aminoguanidine)nickel(II) perchlorate | 1 | |
17:59, 3 August 2020 | Nickel aminoguanidine sulfate and nitrate.jpg (file) | 3.62 MB | 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 | 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 | 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 | Guanidine nitrate made from melting urea and ammonium nitrate with a silicon dioxide catalyst after one recrystallization | 1 | |
17:25, 3 August 2020 | Nitroguanidine micro.jpg (file) | 490 KB | Microscope view, the horizontal view window is about 3 mm across | 1 | |
17:24, 3 August 2020 | Nitroguanidine 2.jpg (file) | 2.44 MB | 1 | ||
10:30, 21 March 2020 | Boron nitride.jpg (file) | 3.35 MB | Sample of hexagonal BN on a watch glass. | 1 | |
10:24, 21 March 2020 | Boron nitride bottle.jpg (file) | 3.31 MB | Sample of hexagonal BN with storage bottle. | 1 | |
10:11, 10 November 2019 | Aminoguanidine bicarbonate.jpg (file) | 2.67 MB | Made from calcium cyanamide and hydrazine sulfate | 1 | |
10:49, 27 October 2019 | Silver cyanamide.jpg (file) | 3.7 MB | The yellow precipitate of silver cyanamide is used as a test for the ion. | 1 | |
10:48, 27 October 2019 | Potassium bisulfate.jpg (file) | 3.54 MB | Crude potassium bisulfate left from a nitric acid distillation. | 1 | |
10:48, 27 October 2019 | Copper hydroxide.jpg (file) | 3.51 MB | Old sample of copper(II) hydroxide made via the method shown by NileRed. | 1 | |
10:47, 27 October 2019 | Calcium cyanamide.jpg (file) | 3.51 MB | Crude calcium cyanamide made from calcium cyanurate. | 1 | |
12:44, 12 October 2019 | Calcium cyanurate.jpg (file) | 3.4 MB | Calcium cyanurate | 1 | |
12:43, 12 October 2019 | Cyanuric acid.jpg (file) | 3.57 MB | Commercial cyanuric acid | 1 | |
12:09, 26 September 2019 | Sodium metabisulfite.jpg (file) | 3.48 MB | Commercial sodium metabisulfite sample | 1 | |
12:08, 26 September 2019 | Sodium dithionite.jpg (file) | 3.66 MB | Commercial sodium dithionite sample | 1 | |
17:31, 4 September 2019 | Trans copper glycinate.jpg (file) | 2.75 MB | Trans-bis(glycinato)copper(II) monohydrate | 1 | |
15:33, 3 September 2019 | Cis copper glycinate.jpg (file) | 2.54 MB | Cis-bis(glycinato)copper(II) monohydrate | 1 | |
15:23, 3 September 2019 | Sodium glycinate.jpg (file) | 2.6 MB | Sodium salt of glycine, made from the amino acid and sodium carbonate with drying at room temperature | 1 | |
15:10, 3 September 2019 | Sodium nitrate.jpg (file) | 4.17 MB | Sodium nitrate crystals grown by slow evaporation over CaCl2 | 1 | |
20:33, 18 August 2019 | Hydrazine sulfate.jpg (file) | 3.33 MB | Hydrazine sulfate made from bleach and urea and was purified using the ketazine process. | 1 | |
07:51, 14 August 2019 | ETN crystals.jpg (file) | 2.55 MB | Crystals of ETN, displayed with friendly permission of original author | 1 | |
14:25, 31 July 2019 | Potassium glycinate.jpg (file) | 4.23 MB | Potassium glycinate, made from glycine and potassium carbonate + recrystallization, likely some hydrate. The saturated solution is very viscous. | 1 | |
14:22, 31 July 2019 | Urea nitrate crystals.jpg (file) | 2.31 MB | Crystals of urea nitrate grown by evaporation | 1 | |
21:22, 15 July 2019 | Ammonium chlorate.jpg (file) | 2.43 MB | Still slightly damp ammonium chlorate, made from concentrated solutions of sodium chlorate and ammonium nitrate and cooled after that | 1 | |
23:32, 14 July 2019 | Calcium chloride anhydrous.jpg (file) | 1.51 MB | Anhydrous calcium chloride used for dehumidification. | 1 | |
23:31, 14 July 2019 | Carbonic acid.jpg (file) | 2.04 MB | Solution of carbon dioxide in water | 1 | |
23:30, 14 July 2019 | Water.jpg (file) | 1.99 MB | 1 | ||
22:53, 14 July 2019 | Urea nitrate.jpg (file) | 3.37 MB | Urea nitrate made from nitric acid and urea. | 1 | |
12:00, 3 July 2019 | TACN TACS.jpg (file) | 2.53 MB | Left: TACN, tetraaminecopper(II) nitrate (possibly hydrated). Right: TACS, tetraaminecopper(II) sulfate monohydrate. | 1 | |
22:30, 2 July 2019 | Tetraaminecopper(ii) sulfate monohydrate.jpg (file) | 3 MB | TACS, made from a solution of copper sulfate in dilute ammonia and a layer of ethanol diffusing into it. | 1 | |
22:27, 2 July 2019 | Tetraaminecopper(ii) nitrate.jpg (file) | 4.89 MB | TACN, made from copper oxide, ammonium nitrate and concentrated ammonia. | 1 | |
17:49, 20 June 2019 | Phosphoric acid.jpg (file) | 1.14 MB | Phosphoric acid, picture by [https://www.youtube.com/channel/UCdvlpwJZqvUtoZyO-K9h2kQ Corrosive Chemistry] | 1 | |
17:14, 20 June 2019 | T shaped three way adapter.jpg (file) | 2.4 MB | T-shaped three way adapter (two female, one male joint) | 1 | |
17:13, 20 June 2019 | Vertical distillation receiver adapter.jpg (file) | 2.46 MB | Vertical distillation receiving adapter or straight vacuum take-off adapter | 1 |
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