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Chemistry and Chemists № 3 2023
Journal of Chemists-Enthusiasts

Chemistry and Chemists
[ Cover PDF ]




I have never let my schooling interfere with my education
Mark Twain
Chemistry and Chemists
Content


Chemistry and other sciences


Pink and blue flowers of Cornflower  [ Link ]



Practical Chemistry and Physics



Experiments with aluminium beverage cans

The beginning of the article - № 2 2022 [ Link ]


Potassium aluminate and sodium bicarbonate - pt.10 [ Link Pt.10 ]


Reaction of carbon dioxide with potassium aluminate (aluminium hydroxide precipitation) - pt.11 [ Link Pt.11 ]


Potassium aluminate decomposition by adding of tap water (aluminium hydroxide precipitation by dilution) - pt.12 [ Link Pt.12 ]


Flowers change colour: effect of alkalis and acids on plant dyes

Pulmonaria mollis flowers: treatment with ammonia and hydrochloric acid - pt.1 [ Link Pt.1 ]


Symphytum asperum and Echium vulgare: pink flowers turn blue - pt.1a [ Link Pt.1a ]


Lamium purpureum flowers: treatment with ammonia and hydrochloric acid - pt.2 [ Link Pt.2 ]


Dying beauty: treatment of purple lilac flowers with ammonia and hydrochloric acid - pt.3 [ Link Pt.3 ]


Red horse-chestnut flowers in atmosphere of ammonia - pt.4 [ Link Pt.4 ]


Robinia hispida flowers in atmosphere of ammonia - pt.5 [ Link Pt.5 ]


Strawberry, nitric acid, baking soda and ammonia (plant pigments colour change) - pt.6 [ Link Pt.6 ]


Red onion, ammonia, nitric acid and acetic acid - pt.7 [ Link Pt.7 ]


Salvia Splendens (''Red Salvia'') flowers, ammonia and hydrochloric acid - pt.8 [ Link Pt.8 ]


Salvia Splendens (''Red Salvia'') flowers, acids and ammonia - pt.9 [ Link Pt.9 ]


Ageratum Houstonianum: flowers become like green moss - pt.10 [ Link Pt.10 ]


Hibiscus Syriacus flowers, ammonia and acetic acid - pt.11 [ Link Pt.11 ]


Tagetes flower and ammonia - pt.12 [ Link Pt.12 ]


Prunus domestica and ammonia - pt.13 [ Link Pt.13 ]


Dark blue grape and ammonia - pt.14 [ Link Pt.14 ]


Sambucus ebulus (Danewort) and ammonia - pt.15 [ Link Pt.15 ]


Sambucus ebulus (Danewort), tap water, nitric acid, potassium hydroxide and ammonia - pt.16 [ Link Pt.16 ]


Sambucus ebulus (Danewort), potassium hydroxide and hydrogen peroxide - pt.17 [ Link Pt.17 ]


Red Prunus domestica (Plum), pink Grape, ammonia and nitric acid - pt.18 [ Link Pt.18 ]


The next parts of the article - see Chemistry and Chemists - №1 2024 [ Link ]


Synthesis of diethyl ester of maleic acid (diethyl maleate) [ Link ]
Синтез діетилового ефіру малеїнової кислоти


Reaction of calcium nitrate and concentrated sulfuric acid [ Link ]


Experiments with aluminium and iron (III) hydroxides

Aluminium hydroxide (after ageing of precipitate) and acetic acid - pt.1 [ Link Pt.1 ]


Preparation of freshly precipitated aluminium hydroxide (reaction of ammonium alum with ammonia) - pt.2 [ Link Pt.2 ]


Freshly precipitated aluminium hydroxide and glacial acetic acid - pt.3 [ Link Pt.3 ]


Freshly precipitated aluminium hydroxide and citric acid - pt.4 [ Link Pt.4 ]


Decomposition of aluminium citrate in the solution by oxidation (unsuccessful experiment) - pt.5 [ Link Pt.5 ]


Do alkalis break down aluminium citrate? - pt.6 [ Link Pt.6 ]


Synthesis of bis(salicylideneaniline)zinc (II) complex
Одержання біс-(саліциліденанілін)цинку (комплекс цинку з саліциліденаніліном)
[ Link ]


Natural water and chemical reagents (demonstration model of water treatment process)

Lake water, iron (III) chloride and calcium hydroxide - pt.1 [ Link Pt.1 ]


Lake water and iron (III) chloride - pt.2 [ Link Pt.2 ]


Lake water, potassium hydroxide and iron (III) chloride - pt.3 [ Link Pt.3 ]


Lake water, water glass and iron (III) chloride - pt.4 [ Link Pt.4 ]


Lake water, sodium chloride and nitric acid - pt.5 [ Link Pt.5 ]


Lake water and aluminium sulfate - pt.6 [ Link Pt.6 ]


Lake water and aluminium sulfate - pt.7 [ Link Pt.7 ]


Lake water and copper sulfate - pt.8 [ Link Pt.8 ]


Lake water, aluminium sulfate and nitric acid - pt.9 [ Link Pt.9 ]


Method of coprecipitation - pt.10 [ Link Pt.10 ]


Black tea, tap water and aluminium sulfate (demonstration model of water treatment process) - pt.11 [ Link Pt.11 ]


Black tea, tap water, aluminium sulfate and sodium bicarbonate (demonstration model of water treatment process) - pt.12 [ Link Pt.12 ]


Discussions


Кинжал, жаба и гадюка (а давайте отпилим кусок от "Искандера"...) [ Link ]



How to find errors in text? / Как найти ошипки в тексте? [ Link ]



Digital pseudoscience / Цифровая псевдонаука [ Link ]



Science fiction / Stories


Incandescent light bulb exploded [ Link ]





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