Chemistry and Chemists № 1 2024

Chemistry and Chemists № 1 2024
Journal of Chemists-Enthusiasts

Scarecrow: I haven't got a brain... only straw.
Dorothy: How can you talk if you haven't got a brain?
Scarecrow: I don't know... But some people without brains do an awful lot of talking... don't they?
L. Frank Baum /The Wizard of Oz/

Content

Practical Chemistry and Physics

Flowers change colour: effect of alkalis and acids on plant dyes
The previous parts of the article - see Chemistry and Chemists - №1 2023 [ Link ]
Red apple and ammonia - pt.19 [ Link Pt.19 ]
How to turn red apple into black one - pt.20 [ Link Pt.20 ]
Aster amellus and ammonia - pt.21 [ Link Pt.21 ]
Aster amellus and ammonia (continuation) - pt.22 [ Link Pt.22 ]
Red leaves of Parthenocissus quinquefolia and ammonia - pt.23 [ Link Pt.23 ]
Red leaves of Parthenocissus quinquefolia, acetic acid and ammonia - pt.24 [ Link Pt.24 ]
Red leaf of Quercus rubra (Northern red oak) and ammonia - pt.25 [ Link Pt.25 ]
Burgundy autumn leaves become green (treatment of leaves of Ulmus laevis with ammonia) - pt.26 [ Link Pt.26 ]
Red leaves of Pyrus communis, ammonia and acetic acid - pt.27 [ Link Pt.27 ]
Hedlundia hybrida fruit, ammonia and nitric acid - pt.28 [ Link Pt.28 ]
Pink chrysanthemum and ammonia - pt.29 [ Link Pt.29 ]
Lake water, potassium permanganate and sulfuric acid
Lake water, potassium permanganate and sulfuric acid [ Link ]
Can chemical compound destroy material of container in which it is kept?
Hydrochloric acid leaks through closed bottle - pt.1 [ Link Pt.1 ]
Ammonia solution destroys plastic bottle - pt.2 [ Link Pt.2 ]
Glacial acetic acid became contaminated due to storage in glass bottle - pt.3 [ Link Pt.3 ]
Reaction of copper metal with acetic acid
Reaction of copper metal with acetic acid - pt.1 [ Link Pt.1 ]
Copper acetate (photos) - pt.2 [ Link Pt.2 ]
Copper acetate, copper sulfate and iron metal - pt.3 [ Link Pt.3 ]
Copper acetate, copper sulfate and zinc metal - pt.4 [ Link Pt.4 ]
Zinc, ammonia and air (reaction of zinc metal with aqueous ammonia and oxygen)
Zinc, ammonia and air (reaction of zinc metal with aqueous ammonia and oxygen) [ Link ]
Horse chestnuts, cologne, emulsion and fluorescence (esculin)
Glowing cologne (cologne under ultraviolet light) - pt.1 [ Link Pt.1 ]
Horse chestnut, ethanol and fluorescence - pt.2 [ Link Pt.2 ]
Horse chestnut, ethyl alcohol and emulsion - pt.3 [ Link Pt.3 ]
Horse chestnut bark, ethanol, water and iron (III) chloride - pt.4 [ Link Pt.4 ]
Horse chestnut bark, ethanol, water and fluorescence - pt.5 [ Link Pt.5 ]
Vegetable oil, ethanol and water (formation of emulsion)
Sunflower oil, ethanol and water (formation of emulsion) - pt.1 [ Link Pt.1 ]
Sunflower oil, alcohol, rhodamine and dichroism - pt.2 [ Link Pt.2 ]
Sunflower oil, ethanol and rhodamine (fluorescence in UV) - pt.3 [ Link Pt.3 ]
Sunflower oil, alcohol, rhodamine and green laser - pt.4 [ Link Pt.4 ]
Castor oil, ethanol and water (oil dissolves in ethyl alcohol) - pt.5 [ Link Pt.5 ]
Let us dissolve water in oil! (Ethanol, castor oil and water) - pt.6 [ Link Pt.6 ]
Castor oil, ethanol and water: emulsion formation - pt.7 [ Link Pt.7 ]
Ethanol, castor oil and sunflower oil - pt.8 [ Link Pt.8 ]
Castor oil, glycerol and ethyl alcohol - pt.9 [ Link Pt.9 ]
Sunflower oil and glycerol - pt.10 [ Link Pt.10 ]
Synthesis of curcumin from vanillin
Synthesis of curcumin from vanillin [ Link ]
Vegetable oils, ammonia and 'inverted' lava lamp
Sunflower oil and ammonia solution - pt.1 [ Link Pt.1 ]
Sunflower oil and ammonia solution - pt.2 [ Link Pt.2 ]
Castor oil and ammonia solution (levitation) - pt.3 [ Link Pt.3 ]

Scientific humour

Humorous stories about science / Юмористические рассказы про науку [ Link ]

Science fiction

Laboratory named after Brownian motion / Лаборатория имени Броуновского движения [ Link ]

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