All public logs
Combined display of all available logs of Sciencemadness Wiki. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)- 20:34, 13 March 2024 Diachrynic (Talk | contribs) uploaded File:Barium hydroxide octahydrate.jpg (Barium hydroxide octahydrate crystallized from water.)
- 18:17, 5 March 2024 Diachrynic (Talk | contribs) uploaded File:Quinine sulfate solution.jpg (Fluorescence of an acidic solution of quinine (along other related cinchona alkaloids).)
- 12:35, 26 January 2024 Diachrynic (Talk | contribs) uploaded File:HCN Pok.jpg (Liquid anhydrous HCN in an ampoule stabilized with phosphoric acid, prepared by Pok, see https://www.sciencemadness.org/whisper/viewthread.php?tid=160124.)
- 08:16, 12 November 2023 Diachrynic (Talk | contribs) uploaded File:Copper perchlorate by Tiget.jpg (Copper(II) perchlorate hexahydrate crystals. Image permission generously granted by Tiget.)
- 20:44, 14 August 2023 Diachrynic (Talk | contribs) uploaded File:Dicyandiamid2.jpg (Crystal aggregates of dicyandiamide/cyanoguanidine after being recrystallized from water, close-up.)
- 20:43, 14 August 2023 Diachrynic (Talk | contribs) uploaded File:Dicyandiamide crystal aggregates.jpg (Crystal aggregates of dicyandiamide/cyanoguanidine after being recrystallized from water.)
- 20:43, 14 August 2023 Diachrynic (Talk | contribs) uploaded File:Dicyandiamide initial needles.jpg (Needle-shaped crystals of dicyandiamide/cyanoguanidine crystallizing from boiled calcium cyanamide fertilizer solution.)
- 18:24, 14 August 2023 Diachrynic (Talk | contribs) moved page File:Sodium chlorate polarized.JPG to File:Sodium chlorate polarized.jpg
- 09:40, 14 August 2023 Diachrynic (Talk | contribs) uploaded File:Sodium chlorate polarized.JPG (Sodium chlorate crystals grown from cooling a pure, slightly supersaturated solution. They are placed between two polarizing filters to show their optical activity. Both enantiomorphic forms are present.)
- 14:25, 10 January 2023 Diachrynic (Talk | contribs) uploaded File:Copper I chloride exf community.jpg (Copper(I) chloride prepared by a member of the Ex&F community and used with permission of the author.)
- 12:20, 17 August 2022 Diachrynic (Talk | contribs) uploaded File:Chlorine dioxide.jpg (Chlorine dioxide, screenshot taken from https://www.youtube.com/watch?v=VAIgHgdaHas)
- 15:18, 13 August 2022 Diachrynic (Talk | contribs) uploaded File:Singlet oxygen.jpg (Chemiluminescence of singlet oxygen observed when passing chlorine gas into basic hydrogen peroxide.)
- 09:13, 10 September 2021 Diachrynic (Talk | contribs) uploaded File:Nitromethane.jpg (Nitromethane fractionally distilled from RC car fuel.)
- 19:48, 9 September 2021 Diachrynic (Talk | contribs) uploaded File:Trimethyl borate methanol azeotrope.jpg (Trimethyl borate/methanol azeotrope distilled from methanol, boric acid and catalytic sulfuric acid.)
- 19:47, 9 September 2021 Diachrynic (Talk | contribs) uploaded File:Trimethyl borate flame.jpg (The trimethyl borate/methanol azeotrope set on fire produces a vibrant green flame.)
- 12:01, 7 September 2021 Diachrynic (Talk | contribs) uploaded File:Benzalazine.jpg (Benzalazine, prepared from ammonia, hydrazine sulfate and benzaldehyde and recrystallized from 95% ethanol (doi.org/10.15227/orgsyn.016.0051))
- 15:26, 2 September 2021 Diachrynic (Talk | contribs) uploaded File:Benzoic acid.jpg (Benzoic acid made from sodium benzoate food preservative, recrystallized from water.)
- 08:27, 24 August 2021 Diachrynic (Talk | contribs) uploaded File:Liquid chlorine.jpg (A sample of liquid chlorine.)
- 15:28, 25 May 2021 Diachrynic (Talk | contribs) uploaded File:Violuric acid monohydrate.jpg (Violuric acid monohydrate, prepared and photographed by SM user RustyShackleford)
- 13:54, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Zinc oxide.jpg (Commercial zinc oxide)
- 13:54, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Sodium hypophosphite.jpg (Sodium hypophosphite, probably the monohydrate)
- 13:53, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Potassium iodide.jpg (Commercial potassium iodide)
- 13:52, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Formaldehyde.jpg (Commercial 37% aqueous formaldehyde)
- 13:51, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Cobalt sulfate heptahydrate.jpg (Commercial cobalt(II) sulfate heptahydrate, possibly somewhat dehydrated)
- 13:50, 23 May 2021 Diachrynic (Talk | contribs) uploaded File:Ammonium carbonate.jpg (Commercial ammonium carbonate)
- 12:21, 14 May 2021 Diachrynic (Talk | contribs) uploaded File:Molsieve 3A.jpg (3Å molecular sieves from a laboratory supplier)
- 10:01, 7 May 2021 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate micro 3.jpg (Commercial aminoguanidine bicarbonate, recrystallized from hot water, microscopic view of a single crystal, approximately 1 mm in length.)
- 10:00, 7 May 2021 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate micro 2.jpg (Commercial aminoguanidine bicarbonate, recrystallized from hot water, microscopic view.)
- 10:00, 7 May 2021 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate micro 1.jpg (Commercial aminoguanidine bicarbonate, recrystallized from hot water.)
- 09:55, 7 May 2021 Diachrynic (Talk | contribs) uploaded File:Aminoguanidinium bicarbonate zwitterion.png
- 07:37, 29 April 2021 Diachrynic (Talk | contribs) uploaded File:Acetophenone frozen.jpg (A drop of frozen commercial acetophenone under a microscope.)
- 18:54, 6 March 2021 Diachrynic (Talk | contribs) uploaded File:Calcium cyanamide fertilizer.jpg (Commercial calcium cyanamide fertilzer)
- 12:35, 6 March 2021 Diachrynic (Talk | contribs) uploaded File:Galena with pyrite.jpg (Galena ore with pyrite)
- 12:35, 6 March 2021 Diachrynic (Talk | contribs) uploaded File:Galena.jpg (Galena ore)
- 21:44, 27 February 2021 Diachrynic (Talk | contribs) uploaded File:Trichlorohexahydrotriazine.jpg (1,3,5-Trichlorohexahydrotriazine, an unstable organic chloramine prepared from hexamine, acetic acid and sodium hypochlorite)
- 21:43, 27 February 2021 Diachrynic (Talk | contribs) uploaded File:Dicyandiamide beaker.jpg (Dicyandiamide prepared from CaCN<sub>2</sub>-Ca(OH)<sub>2</sub>-fertilizer, just after crystallization)
- 21:42, 27 February 2021 Diachrynic (Talk | contribs) uploaded File:Dicyandiamide.jpg (Dicyandiamide prepared from CaCN<sub>2</sub>-Ca(OH)<sub>2</sub>-fertilizer)
- 21:29, 27 February 2021 Diachrynic (Talk | contribs) uploaded File:Myo Inositol.jpg (Commercial myo-inositol, recrystallized from 50/50 ethanol/water, affording a dihydrate)
- 07:27, 14 February 2021 Diachrynic (Talk | contribs) uploaded File:Chlorobutanol sublimed.jpg (Chlorobutanol crystals purified by sublimation, picture taken by Abromination)
- 10:35, 29 November 2020 Diachrynic (Talk | contribs) uploaded File:HMTD micro.jpg
- 21:32, 5 November 2020 Diachrynic (Talk | contribs) uploaded File:Iron III nitrate nonahydrate.jpg (Commercial sample of iron(III) nitrate nonahydrate)
- 21:52, 19 October 2020 Diachrynic (Talk | contribs) uploaded File:Tetraiodobismuthate.jpg (A solution of bismuth(III) with excess potassium iodide forms the orange complex ion tetraiodobismuthate [BiI<sub>4</sub>]<sup>-</sup>)
- 21:48, 19 October 2020 Diachrynic (Talk | contribs) uploaded File:Bismuth oxynitrate.jpg (When an acidic solution of bismuth nitrate is diluted in water, bismuth oxynitate precipitates and settles after a while)
- 21:45, 19 October 2020 Diachrynic (Talk | contribs) uploaded File:Bismuth nitrate pentahydrate.jpg (Crystal of bismuth nitrate pentahydrate under the microscope, the crystal is about 3 mm long)
- 16:58, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium V tetraperoxide.jpg (Solution of a blue V(V) tetraperoxospecies, V(O<sub>2</sub>)<sub>4</sub><sup>3-<sup>)
- 16:53, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium V oxoperoxide.jpg (Solution of a red V(V) oxoperoxospecies, VO(O<sub>2</sub>)<sup>+</sup>)
- 16:51, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium V oxodiperoxide.jpg (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>)
- 16:45, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium IV ions basic.jpg (Solution of V(IV) in basic solution, the red-brown color is due to VO(OH)<sub>3</sub><sup>-</sup>)
- 16:43, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium IV ions acid.jpg (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)
- 16:40, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium III hydroxide.jpg (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))
- 16:38, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium III chloride water.jpg (Solution of VCl<sub>3</sub> in water, the brown color is due to various hydrolysed species like VO<sup>+</sup>)
- 16:36, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium III chloride HCl.jpg (Solution of VCl<sub>3</sub> in HCl)
- 16:35, 28 September 2020 Diachrynic (Talk | contribs) uploaded File:Vanadium II.jpg (Solution of V(II) made by the reduction of V(III) with zinc in hydrochloric acid)
- 13:21, 27 September 2020 Diachrynic (Talk | contribs) uploaded File:Hydroxylamine hydrochloride micro.jpg (Crystals of hydroxylamine hydrochloride under the microscope, horizontal view window is about 3 mm)
- 13:20, 27 September 2020 Diachrynic (Talk | contribs) uploaded File:Hydroxylamine hydrochloride2.jpg (Small crystals of hydroxylamine hydrochloride made from the hydrolysis of nitromethane)
- 13:19, 27 September 2020 Diachrynic (Talk | contribs) moved page File:Hydroxylamine hydrichloride1.jpg to File:Hydroxylamine hydrochloride1.jpg (Spelling)
- 13:16, 27 September 2020 Diachrynic (Talk | contribs) uploaded File:Hydroxylamine hydrichloride1.jpg
- 09:39, 25 September 2020 Diachrynic (Talk | contribs) uploaded File:Polyselenide.jpg (A solution of sodium polyselenide in excess sodium hydroxide solution, made by dissolving selenium powder in hot 40% NaOH.)
- 09:38, 25 September 2020 Diachrynic (Talk | contribs) uploaded File:Selenium cation.jpg (The green selenium cation Se8(2+) in sulfuric acid solution. It was made by dissolving selenium powder in hot concentrated sulfuric acid.)
- 09:37, 25 September 2020 Diachrynic (Talk | contribs) uploaded File:Red Selenium.jpg (A sample of red selenium produced by the reduction of selenous acid with sulfur dioxide.)
- 08:39, 11 August 2020 Diachrynic (Talk | contribs) uploaded File:Naphthalene sublimated crystals.jpg (Microscopic view of sublimated naphthalene crystals. Horizontal view window is about 4.5 mm wide.)
- 08:38, 11 August 2020 Diachrynic (Talk | contribs) uploaded File:Naphthalene mothballs.jpg (Mothballs containing naphthalene)
- 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
- 10:30, 21 March 2020 Diachrynic (Talk | contribs) uploaded File:Boron nitride.jpg (Sample of hexagonal BN on a watch glass.)
- 10:24, 21 March 2020 Diachrynic (Talk | contribs) uploaded File:Boron nitride bottle.jpg (Sample of hexagonal BN with storage bottle.)
- 10:11, 10 November 2019 Diachrynic (Talk | contribs) uploaded File:Aminoguanidine bicarbonate.jpg (Made from calcium cyanamide and hydrazine sulfate)
- 10:49, 27 October 2019 Diachrynic (Talk | contribs) uploaded File:Silver cyanamide.jpg (The yellow precipitate of silver cyanamide is used as a test for the ion.)
- 10:48, 27 October 2019 Diachrynic (Talk | contribs) uploaded File:Potassium bisulfate.jpg (Crude potassium bisulfate left from a nitric acid distillation.)
- 10:48, 27 October 2019 Diachrynic (Talk | contribs) uploaded File:Copper hydroxide.jpg (Old sample of copper(II) hydroxide made via the method shown by NileRed.)
- 10:47, 27 October 2019 Diachrynic (Talk | contribs) uploaded File:Calcium cyanamide.jpg (Crude calcium cyanamide made from calcium cyanurate.)
- 12:44, 12 October 2019 Diachrynic (Talk | contribs) uploaded File:Calcium cyanurate.jpg (Calcium cyanurate)
- 12:43, 12 October 2019 Diachrynic (Talk | contribs) uploaded File:Cyanuric acid.jpg (Commercial cyanuric acid)
- 12:09, 26 September 2019 Diachrynic (Talk | contribs) uploaded File:Sodium metabisulfite.jpg (Commercial sodium metabisulfite sample)
- 12:08, 26 September 2019 Diachrynic (Talk | contribs) uploaded File:Sodium dithionite.jpg (Commercial sodium dithionite sample)
- 17:31, 4 September 2019 Diachrynic (Talk | contribs) uploaded File:Trans copper glycinate.jpg (Trans-bis(glycinato)copper(II) monohydrate)
- 15:33, 3 September 2019 Diachrynic (Talk | contribs) uploaded File:Cis copper glycinate.jpg (Cis-bis(glycinato)copper(II) monohydrate)
- 15:23, 3 September 2019 Diachrynic (Talk | contribs) uploaded File:Sodium glycinate.jpg (Sodium salt of glycine, made from the amino acid and sodium carbonate with drying at room temperature)
- 15:10, 3 September 2019 Diachrynic (Talk | contribs) uploaded File:Sodium nitrate.jpg (Sodium nitrate crystals grown by slow evaporation over CaCl2)
- 20:33, 18 August 2019 Diachrynic (Talk | contribs) uploaded File:Hydrazine sulfate.jpg (Hydrazine sulfate made from bleach and urea and was purified using the ketazine process.)
- 07:51, 14 August 2019 Diachrynic (Talk | contribs) uploaded File:ETN crystals.jpg (Crystals of ETN, displayed with friendly permission of original author)
- 14:25, 31 July 2019 Diachrynic (Talk | contribs) uploaded File:Potassium glycinate.jpg (Potassium glycinate, made from glycine and potassium carbonate + recrystallization, likely some hydrate. The saturated solution is very viscous.)
- 14:22, 31 July 2019 Diachrynic (Talk | contribs) uploaded File:Urea nitrate crystals.jpg (Crystals of urea nitrate grown by evaporation)
- 21:22, 15 July 2019 Diachrynic (Talk | contribs) uploaded File:Ammonium chlorate.jpg (Still slightly damp ammonium chlorate, made from concentrated solutions of sodium chlorate and ammonium nitrate and cooled after that)
- 23:32, 14 July 2019 Diachrynic (Talk | contribs) uploaded File:Calcium chloride anhydrous.jpg (Anhydrous calcium chloride used for dehumidification.)
- 23:31, 14 July 2019 Diachrynic (Talk | contribs) uploaded File:Carbonic acid.jpg (Solution of carbon dioxide in water)
- 23:30, 14 July 2019 Diachrynic (Talk | contribs) uploaded File:Water.jpg
- 22:53, 14 July 2019 Diachrynic (Talk | contribs) uploaded File:Urea nitrate.jpg (Urea nitrate made from nitric acid and urea.)
- 12:00, 3 July 2019 Diachrynic (Talk | contribs) uploaded File:TACN TACS.jpg (Left: TACN, tetraaminecopper(II) nitrate (possibly hydrated). Right: TACS, tetraaminecopper(II) sulfate monohydrate.)
- 22:30, 2 July 2019 Diachrynic (Talk | contribs) uploaded File:Tetraaminecopper(ii) sulfate monohydrate.jpg (TACS, made from a solution of copper sulfate in dilute ammonia and a layer of ethanol diffusing into it.)
- 22:27, 2 July 2019 Diachrynic (Talk | contribs) uploaded File:Tetraaminecopper(ii) nitrate.jpg (TACN, made from copper oxide, ammonium nitrate and concentrated ammonia.)
- 17:49, 20 June 2019 Diachrynic (Talk | contribs) uploaded File:Phosphoric acid.jpg (Phosphoric acid, picture by [https://www.youtube.com/channel/UCdvlpwJZqvUtoZyO-K9h2kQ Corrosive Chemistry])