Guidance: Paper receipts: guidance on fingermark visualisation

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Defence Science Technology Laboratory

March 12

09:00 2024

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Fingermark Visualisation on Lidl Receipt Paper

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Fingermark Visualisation on Lidl Receipt Paper

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More manufacturers are now choosing environmentally friendly materials. For example, the Lidl supermarket receipt, which has been available in some regions of the UK since March 2021, is made without chemical colour developers. Instead bubbles of ink are contained within the paper which are released when heated.

Research by the Defence Science and Technology Laboratory (Dstl) has determined that routine fingermark visualisation processes for porous substrates should be followed but with the additional considerations in this guidance.

Published 12 March 2024

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