Experiments with aluminium beverage cans |
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The beginning of the article - № 2 2022
[ Link ] |
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Potassium aluminate and sodium bicarbonate - pt.10
[ Link Pt.10 ] |
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Reaction of carbon dioxide with potassium aluminate (aluminium hydroxide precipitation) - pt.11
[ Link Pt.11 ] |
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Potassium aluminate decomposition by adding of tap water (aluminium hydroxide precipitation by dilution) - pt.12
[ Link Pt.12 ] |
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Flowers change colour: effect of alkalis and acids on plant dyes |
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Pulmonaria mollis flowers: treatment with ammonia and hydrochloric acid - pt.1
[ Link Pt.1 ] |
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Symphytum asperum and Echium vulgare: pink flowers turn blue - pt.1a
[ Link Pt.1a ] |
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Lamium purpureum flowers: treatment with ammonia and hydrochloric acid - pt.2
[ Link Pt.2 ] |
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Dying beauty: treatment of purple lilac flowers with ammonia and hydrochloric acid - pt.3
[ Link Pt.3 ] |
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Red horse-chestnut flowers in atmosphere of ammonia - pt.4
[ Link Pt.4 ] |
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Robinia hispida flowers in atmosphere of ammonia - pt.5
[ Link Pt.5 ] |
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Strawberry, nitric acid, baking soda and ammonia (plant pigments colour change) - pt.6
[ Link Pt.6 ] |
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Red onion, ammonia, nitric acid and acetic acid - pt.7
[ Link Pt.7 ] |
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Salvia Splendens (''Red Salvia'') flowers, ammonia and hydrochloric acid - pt.8
[ Link Pt.8 ] |
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Salvia Splendens (''Red Salvia'') flowers, acids and ammonia - pt.9
[ Link Pt.9 ] |
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Ageratum Houstonianum: flowers become like green moss - pt.10
[ Link Pt.10 ] |
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Hibiscus Syriacus flowers, ammonia and acetic acid - pt.11
[ Link Pt.11 ] |
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Tagetes flower and ammonia - pt.12
[ Link Pt.12 ] |
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Prunus domestica and ammonia - pt.13
[ Link Pt.13 ] |
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Dark blue grape and ammonia - pt.14
[ Link Pt.14 ] |
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Sambucus ebulus (Danewort) and ammonia - pt.15
[ Link Pt.15 ] |
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Sambucus ebulus (Danewort), tap water, nitric acid, potassium hydroxide and ammonia - pt.16
[ Link Pt.16 ] |
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Sambucus ebulus (Danewort), potassium hydroxide and hydrogen peroxide - pt.17
[ Link Pt.17 ] |
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Red Prunus domestica (Plum), pink Grape, ammonia and nitric acid - pt.18
[ Link Pt.18 ] |
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The next parts of the article - see Chemistry and Chemists - №1 2024
[ Link ] |
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Synthesis of diethyl ester of maleic acid (diethyl maleate) [ Link ] Синтез діетилового ефіру малеїнової кислоти
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Reaction of calcium nitrate and concentrated sulfuric acid [ Link ]
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Experiments with aluminium and iron (III) hydroxides |
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Aluminium hydroxide (after ageing of precipitate) and acetic acid - pt.1
[ Link Pt.1 ] |
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Preparation of freshly precipitated aluminium hydroxide (reaction of ammonium alum with ammonia) - pt.2
[ Link Pt.2 ] |
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Freshly precipitated aluminium hydroxide and glacial acetic acid - pt.3
[ Link Pt.3 ] |
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Freshly precipitated aluminium hydroxide and citric acid - pt.4
[ Link Pt.4 ] |
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Decomposition of aluminium citrate in the solution by oxidation (unsuccessful experiment) - pt.5
[ Link Pt.5 ] |
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Do alkalis break down aluminium citrate? - pt.6
[ Link Pt.6 ] |
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Synthesis of bis(salicylideneaniline)zinc (II) complex
Одержання біс-(саліциліденанілін)цинку (комплекс цинку з саліциліденаніліном)
[ Link ] |
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Natural water and chemical reagents (demonstration model of water treatment process) |
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Lake water, iron (III) chloride and calcium hydroxide - pt.1
[ Link Pt.1 ] |
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Lake water and iron (III) chloride - pt.2
[ Link Pt.2 ] |
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Lake water, potassium hydroxide and iron (III) chloride - pt.3
[ Link Pt.3 ] |
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Lake water, water glass and iron (III) chloride - pt.4
[ Link Pt.4 ] |
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Lake water, sodium chloride and nitric acid - pt.5
[ Link Pt.5 ] |
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Lake water and aluminium sulfate - pt.6
[ Link Pt.6 ] |
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Lake water and aluminium sulfate - pt.7
[ Link Pt.7 ] |
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Lake water and copper sulfate - pt.8
[ Link Pt.8 ] |
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Lake water, aluminium sulfate and nitric acid - pt.9
[ Link Pt.9 ] |
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Method of coprecipitation - pt.10
[ Link Pt.10 ] |
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Black tea, tap water and aluminium sulfate (demonstration model of water treatment process) - pt.11
[ Link Pt.11 ] |
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Black tea, tap water, aluminium sulfate and sodium bicarbonate (demonstration model of water treatment process) - pt.12
[ Link Pt.12 ] |
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