The Iodine Clock ·
A Reaction That Turns Black All At Once
un
seel
.com · a slow maker · a fast eraser · then a sudden blue-black flash
Free I₂
trace
Eraser
full
Phase
STANDOFF
Iodine being made
Thiosulfate erasing it
Starch flash (blue-black)
Clear solution
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.com · The Iodine Clock