File list
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| Date | Name | Thumbnail | Size | Description | Versions |
|---|---|---|---|---|---|
| 09:55, 7 May 2021 | Aminoguanidinium bicarbonate zwitterion.png (file) |  |
37 KB | 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 |
| 20:44, 14 August 2023 | Dicyandiamid2.jpg (file) |  |
113 KB | Crystal aggregates of dicyandiamide/cyanoguanidine after being recrystallized from water, close-up. | 1 |
| 20:43, 14 August 2023 | Dicyandiamide crystal aggregates.jpg (file) |  |
113 KB | Crystal aggregates of dicyandiamide/cyanoguanidine after being recrystallized from water. | 1 |
| 20:43, 14 August 2023 | Dicyandiamide initial needles.jpg (file) |  |
159 KB | Needle-shaped crystals of dicyandiamide/cyanoguanidine crystallizing from boiled calcium cyanamide fertilizer solution. | 1 |
| 12:20, 17 August 2022 | Chlorine dioxide.jpg (file) |  |
239 KB | Chlorine dioxide, screenshot taken from https://www.youtube.com/watch?v=VAIgHgdaHas | 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 |
| 21:45, 19 October 2020 | Bismuth nitrate pentahydrate.jpg (file) |  |
307 KB | Crystal of bismuth nitrate pentahydrate under the microscope, the crystal is about 3 mm long | 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 |
| 19:47, 9 September 2021 | Trimethyl borate flame.jpg (file) |  |
353 KB | The trimethyl borate/methanol azeotrope set on fire produces a vibrant green flame. | 1 |
| 10:35, 29 November 2020 | HMTD micro.jpg (file) |  |
361 KB | 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 |
| 17:25, 3 August 2020 | Nitroguanidine micro.jpg (file) |  |
490 KB | Microscope view, the horizontal view window is about 3 mm across | 1 |
| 15:18, 13 August 2022 | Singlet oxygen.jpg (file) |  |
521 KB | Chemiluminescence of singlet oxygen observed when passing chlorine gas into basic hydrogen peroxide. | 1 |
| 10:01, 7 May 2021 | Aminoguanidine bicarbonate micro 3.jpg (file) |  |
568 KB | Commercial aminoguanidine bicarbonate, recrystallized from hot water, microscopic view of a single crystal, approximately 1 mm in length. | 1 |
| 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 |
| 10:00, 7 May 2021 | Aminoguanidine bicarbonate micro 1.jpg (file) |  |
925 KB | Commercial aminoguanidine bicarbonate, recrystallized from hot water. | 1 |
| 21:42, 27 February 2021 | Dicyandiamide.jpg (file) |  |
966 KB | Dicyandiamide prepared from CaCN<sub>2</sub>-Ca(OH)<sub>2</sub>-fertilizer | 1 |
| 13:54, 23 May 2021 | Sodium hypophosphite.jpg (file) |  |
1,002 KB | Sodium hypophosphite, probably the monohydrate | 1 |
| 19:48, 9 September 2021 | Trimethyl borate methanol azeotrope.jpg (file) |  |
1,011 KB | Trimethyl borate/methanol azeotrope distilled from methanol, boric acid and catalytic sulfuric acid. | 1 |
| 08:27, 24 August 2021 | Liquid chlorine.jpg (file) |  |
1 MB | A sample of liquid chlorine. | 1 |
| 13:53, 23 May 2021 | Potassium iodide.jpg (file) |  |
1.03 MB | Commercial potassium iodide | 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 |
| 21:44, 27 February 2021 | Trichlorohexahydrotriazine.jpg (file) |  |
1.06 MB | 1,3,5-Trichlorohexahydrotriazine, an unstable organic chloramine prepared from hexamine, acetic acid and sodium hypochlorite | 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 |
| 13:54, 23 May 2021 | Zinc oxide.jpg (file) |  |
1.13 MB | Commercial zinc oxide | 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 |
| 14:25, 10 January 2023 | Copper I chloride exf community.jpg (file) |  |
1.2 MB | Copper(I) chloride prepared by a member of the Ex&F community and used with permission of the author. | 1 |
| 13:51, 23 May 2021 | Cobalt sulfate heptahydrate.jpg (file) |  |
1.24 MB | Commercial cobalt(II) sulfate heptahydrate, possibly somewhat dehydrated | 1 |
| 09:13, 10 September 2021 | Nitromethane.jpg (file) |  |
1.36 MB | Nitromethane fractionally distilled from RC car fuel. | 1 |
| 19:18, 2 February 2019 | Copper sulfate.jpg (file) |  |
1.4 MB | A crystal of copper(II) sulfate pentahydrate, grown by evaporation from a saturated solution. | 1 |
| 15:26, 2 September 2021 | Benzoic acid.jpg (file) |  |
1.44 MB | Benzoic acid made from sodium benzoate food preservative, recrystallized from water. | 1 |
| 13:50, 23 May 2021 | Ammonium carbonate.jpg (file) |  |
1.44 MB | Commercial ammonium carbonate | 1 |
| 23:32, 14 July 2019 | Calcium chloride anhydrous.jpg (file) |  |
1.51 MB | Anhydrous calcium chloride used for dehumidification. | 1 |
| 12:01, 7 September 2021 | Benzalazine.jpg (file) |  |
1.57 MB | Benzalazine, prepared from ammonia, hydrazine sulfate and benzaldehyde and recrystallized from 95% ethanol (doi.org/10.15227/orgsyn.016.0051) | 1 |
| 18:38, 5 April 2019 | Sodium acetate iron iii chloride.jpg (file) |  |
1.59 MB | Complex between an acetate (here sodium acetate) and iron(III)-ions (here iron(III)-chloride). | 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 |
| 19:19, 29 March 2019 | Barium chlorate.jpg (file) |  |
1.63 MB | Barium chlorate made from sodium chlorate and barium chloride, after the second recrystallization. | 1 |
| 18:54, 6 March 2021 | Calcium cyanamide fertilizer.jpg (file) |  |
1.67 MB | Commercial calcium cyanamide fertilzer | 1 |
| 19:27, 23 May 2019 | ErioT.jpg (file) |  |
1.67 MB | Eriochrome Black T dye | 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 |
| 08:16, 12 November 2023 | Copper perchlorate by Tiget.jpg (file) |  |
1.72 MB | Copper(II) perchlorate hexahydrate crystals. Image permission generously granted by Tiget. | 1 |
| 16:38, 28 September 2020 | Vanadium III chloride water.jpg (file) |  |
1.75 MB | Solution of VCl<sub>3</sub> in water, the brown color is due to various hydrolysed species like VO<sup>+</sup> | 1 |
| 16:16, 15 February 2019 | Barium nitrate.jpg (file) |  |
1.76 MB | Recrystallized barium nitrate. | 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 |
| 19:46, 1 February 2019 | Phthalic acid.jpg (file) |  |
1.81 MB | Recrystallized phthalic acid extracted from viny gloves. | 1 |
| 16:36, 28 September 2020 | Vanadium III chloride HCl.jpg (file) |  |
1.81 MB | Solution of VCl<sub>3</sub> in HCl | 1 |
| 20:47, 2 February 2019 | Phenolphthalein solution.jpg (file) |  |
1.83 MB | Phenolphthalein solution at basic pH. | 1 |
| 16:51, 28 September 2020 | Vanadium V oxodiperoxide.jpg (file) |  |
1.83 MB | 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 |
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