Election ink
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Electoral ink, indelible ink, electoral stain or phosphoric ink is a semi-permanent ink or dye that is applied to the finger of voters during elections in order to prevent electoral fraud such as doub
A line of voters showing their respective fingers during the 2005 Iraqi election.
A voter's left hand index finger stained with election ink. 15th Malaysian general election.
Election ink manufactured by Mysore Paints
Violet coloured indelible ink in the thumb of a voter, 2026 Bangladeshi general election
Silver nitrate
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Silver nitrate is an inorganic compound with chemical formula AgNO3. It is a colorless solid that is a precursor to many other silver compounds. Silver nitrate is highly soluble in water but is poorly
Election ink
…voting. It is used in countries where voter identity documents have not been standardised or institutionalised. One of the more common ink is based on silver nitrate, which can produce a stain lasting several weeks. It was first used during the 1962 general election in India. The ink was developed by the National…
Sample of silver nitrate
Skin stained by silver from handling silver nitrate
Micrograph showing a silver nitrate (brown) marked surgical margin.