Hobbychemistry in Germany
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A bit of phosphorescence... - Ein bisschen Phosphoreszenz...
Chaoschemiker
473 views
In this video an easy reproduceable way to make a phosphorescent substance by simply mixing and melting L-(+)-Tartaric acid and Uranine (Fluoresceine disodium salt) togethe...
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Coloured manganese - Buntes Mangan
Chaoschemiker
883 views
This video concerns the different oxidation states of manganese, under usage of typical redox reactions.
Therefore permanganate is treated in an alkalic, reducing milieu, a...
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Volcanogenic fireflies - Vulkanogene Glühwürmchen
Chaoschemiker
815 views
In this experiment the widely known "volcano-experiment" is combined with the "firefly-experiment".
The first reaction is a intramolecular reaction, where both reaction pa...
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Detecting tin-ions: The Leuchtprobe - Nachweis von Zinn-Ionen: Die Leuchtprobe
Chaoschemiker
1,225 views
Here a method, how to detect tin-ions by a visibly blue fluorescence in an aqueous-solution, is shown.
Therefore some tin(II)-chloride is dissolved in some hydrochloric aci...
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Rectification of carbon tetrachloride - Rektifikation von Tetrachlorkohlenstoff
Chaoschemiker
2,077 views
In this video is shown, how to rectify carbon tetrachloride for laboratory-purification uses.
Every waste products of this procedure require special care! They need to be ...
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Glass compared with glass - May it crack? - Der Unterschied von Glas und Glas
Chaoschemiker
903 views
May it crack? Usually glass cracks by exposure to great temperature differences (more than 200K), so it becomes visible when the test-tube is going to crack.
But why does ...
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Copper mirror - Kupferspiegel
Chaoschemiker
2,902 views
In this video the use of hydrazine as reducing agent is shown with the example of reducing Copper(II)-Ions to elemental Copper-metal.
By heating the glass, the reaction oc...
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Chlorine Chemistry - Chlorchemie
Chaoschemiker
3,868 views
Here a few common reactions of the halogen chlorine.
Chlorine with iron, hydrogen and sodium forming the corresponding chlorides.
WARNING: Chlorine is a toxic gas, and ...
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Aqua Regia ; Königswasser
Chaoschemiker
13,006 views
Here dissolving of gold in aqua regia, a mixture of 1:2 - 1:3 nitric acid:hydrochloric acid is shown.
The reaction of aqua regia and gold forms tetrachloroauric(III)acid...
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Detecting Arsenic - The Marsh-Test
Chaoschemiker
3,548 views
In this experiment is shown, how arsenic can be detected with the old "Marsh-Test".
In diesem Versuch wird gezeigt, wie Arsen mit der Marsh'schen Probe nachgewiesen werd...
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