File list
This special page shows all uploaded files.
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| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 16:24, 20 June 2019 | Ethylendiamine.jpg (file) |  |
904 KB | Ethylenediamine fuming in air, made by [https://www.youtube.com/channel/UCdvlpwJZqvUtoZyO-K9h2kQ Corrosive Chemistry] | 1 |
| 19:29, 23 May 2019 | Fluorescein.jpg (file) |  |
2.05 MB | Fluorescein made from heating a mix of resorcinol and phthalic anhydride and sulfuric acid, boiling in NaOH and crashing out the dye in HCl | 1 |
| 19:29, 23 May 2019 | Fluorescein solution.jpg (file) |  |
1.96 MB | A solution of a tiny amount of flourescein in water | 1 |
| 13:52, 23 May 2021 | Formaldehyde.jpg (file) |  |
2.19 MB | Commercial 37% aqueous formaldehyde | 1 |
| 12:35, 6 March 2021 | Galena.jpg (file) |  |
1.99 MB | Galena ore | 1 |
| 12:35, 6 March 2021 | Galena with pyrite.jpg (file) |  |
2.03 MB | Galena ore with pyrite | 1 |
| 20:05, 1 February 2019 | Gold.jpg (file) |  |
1.98 MB | A small sample of gold foil. | 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 |
| 12:35, 26 January 2024 | HCN Pok.jpg (file) |  |
106 KB | Liquid anhydrous HCN in an ampoule stabilized with phosphoric acid, prepared by Pok, see https://www.sciencemadness.org/whisper/viewthread.php?tid=160124. | 1 |
| 10:35, 29 November 2020 | HMTD micro.jpg (file) |  |
361 KB | 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 |
| 13:16, 27 September 2020 | Hydroxylamine hydrochloride1.jpg (file) |  |
3.13 MB | 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 |
| 13:21, 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 |
| 21:32, 5 November 2020 | Iron III nitrate nonahydrate.jpg (file) |  |
1.97 MB | Commercial sample of iron(III) nitrate nonahydrate | 1 |
| 20:25, 1 February 2019 | Iron oxalate.jpg (file) |  |
2.41 MB | Iron(II) oxalate powder. | 1 |
| 15:07, 23 May 2019 | Lead(II) iodide.jpg (file) | _iodide.jpg) |
4.47 MB | Recrystallized lead(II) iodide. This experiment is known under the name "golden rain". | 1 |
| 08:27, 24 August 2021 | Liquid chlorine.jpg (file) |  |
1 MB | A sample of liquid chlorine. | 1 |
| 12:21, 14 May 2021 | Molsieve 3A.jpg (file) |  |
2.19 MB | 3Å molecular sieves from a laboratory supplier | 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 |
| 21:29, 27 February 2021 | Myo Inositol.jpg (file) |  |
1.04 MB | Commercial myo-inositol, recrystallized from 50/50 ethanol/water, affording a dihydrate | 1 |
| 08:38, 11 August 2020 | Naphthalene mothballs.jpg (file) |  |
2.86 MB | Mothballs containing naphthalene | 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 |
| 19:07, 23 May 2019 | Nickel(II) sulfate hexahydrate.jpg (file) | _sulfate_hexahydrate.jpg) |
2.21 MB | Nickle(II) sulfate hexahydrate crystals | 1 |
| 18:01, 3 August 2020 | Nickel aminoguanidine perchlorate.jpg (file) |  |
1.91 MB | Bis(aminoguanidine)nickel(II) perchlorate | 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 |
| 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 |
| 17:24, 3 August 2020 | Nitroguanidine 2.jpg (file) |  |
2.44 MB | 1 | |
| 17:25, 3 August 2020 | Nitroguanidine micro.jpg (file) |  |
490 KB | Microscope view, the horizontal view window is about 3 mm across | 1 |
| 09:13, 10 September 2021 | Nitromethane.jpg (file) |  |
1.36 MB | Nitromethane fractionally distilled from RC car fuel. | 1 |
| 20:47, 2 February 2019 | Phenolphthalein solution.jpg (file) |  |
1.83 MB | Phenolphthalein solution at basic pH. | 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 |
| 19:46, 1 February 2019 | Phthalic acid.jpg (file) |  |
1.81 MB | Recrystallized phthalic acid extracted from viny gloves. | 1 |
| 19:49, 1 February 2019 | Phthalic anhydride.jpg (file) |  |
2.37 MB | Phthalic anhydride obtained by sublimation, cotton-candy like, fluffy crystals. | 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 |
| 10:48, 27 October 2019 | Potassium bisulfate.jpg (file) |  |
3.54 MB | Crude potassium bisulfate left from a nitric acid distillation. | 1 |
| 19:16, 23 May 2019 | Potassium dichromate.jpg (file) |  |
2.22 MB | Very pure potassium dichromate crystals | 1 |
| 18:31, 6 March 2019 | Potassium ferrioxalate.jpg (file) |  |
1.95 MB | Potassium ferrioxalate crystals | 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 |
| 13:53, 23 May 2021 | Potassium iodide.jpg (file) |  |
1.03 MB | Commercial potassium iodide | 1 |
| 12:07, 17 March 2019 | Potassium nitrate.jpg (file) |  |
3.44 MB | Potassium nitrate, made from barium nitrate and potassium carbonate, recrystallized from water on shallow tray | 1 |
| 11:20, 20 March 2019 | Potassium nitrate2.jpg (file) |  |
2.7 MB | Potassium nitrate, grown from water | 1 |
| 12:45, 17 June 2019 | Potassium perchlorate.jpg (file) |  |
2.24 MB | Potassium perchlorate, made from potassium chloride and sodium perchlorate. | 1 |
| 18:32, 6 March 2019 | Potassium permanganate.jpg (file) |  |
1.85 MB | Potassium permanganate crystals. | 1 |
| 18:17, 5 March 2024 | Quinine sulfate solution.jpg (file) |  |
1.68 MB | Fluorescence of an acidic solution of quinine (along other related cinchona alkaloids). | 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 |
| 16:36, 20 June 2019 | Red phosphorus.jpg (file) |  |
4.81 MB | Red phosphorus, this sample has a slight smell of phosphine. | 1 |
| 21:47, 23 May 2019 | Resorcinol.jpg (file) |  |
3.73 MB | Resorcinol, bought from a chemical supplier | 1 |
| 20:37, 2 February 2019 | Salicylic acid crystals.jpg (file) |  |
1.96 MB | Recrystallized salicylic acid obtained by the hydrolysis of acetylsalicylic acid from aspirin tablets. | 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 |
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