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Gallery

Red cabbage lizard
Using vinegar, lemon juice, bicarbonate of soda

First go at the lizard

Starfish
Red cabbage indicator with NaOH, tap water, laundry softener

Starfish_2.jpeg

Panda with iodine solution on potato starch droplets
Iodine diffused into the starch forming the blue complex

Regal Angel fish
Using 1ml fine tipped dropping pipette

Chem-eleon
Red cabbage indicator with NaOH, tap water, lemon juice, laundry softener

Mendelev
Red cabbage indicator with tap water and bicarbonate of soda

Mendelev
Before adding the Red cabbage indicator

Shamrock
Red Cabbage indicator with laundry softner (pH10)

I love technicians
Vinegar with Red cabbage indicator

Kingfisher
Red cabbage indicator beak, copper sulfate solution with NaOH/ammonia solution for feathers and methyl orange/tap water for the breast

kingfisher close up of droplets

Kingfisher

Creating a template
I draw circles where the droplets should go to hopefully produce a more even distribution of droplets

Adding colourless solutions
Add colourless solutions onto the template - should be smaller than the template so indicator can be added

Building up the picture
I add all the colourless solutions first - part of the challenge is working out the colours the pH solutions will finally give!

Adding the indicator
Small quantities of indicator are added to produce the picuture

Our guinea pig Raffles
With red cabbage over pH 5-7

Pumpkin for Halloween
Methyl orange pumpkin with iodine/potato starch for the blue-black

Final pumpkin

Poppies
Poppy field for Remembrance Sunday. HCl with red cabbage for the poppies, Sodium hydrogen carbonate and Red cabbage for the greens

Pallete of indicators
For more complicated pictures I sometimes make a pallete of pre-made colours

Maple Leaf for Canada Day
. HCl with methyl orange

ISMC logo 2021
Depicting Bob's halo reactions within a 'Chemistree'. Indicators include bromothylmol blue, methyl orange, red cabbage and precipitation reaction of lead nitrate with potassium iodide to give the yellow flash
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