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2024
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Invention
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Uv indicator with protective layer. An apparatus (5) comprising a first layer (20) comprising a c... |
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2023
|
Invention
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Stable uv indicator.
A colourimetric indicator (5) comprises a UV radiation-driven acid release ... |
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2021
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Invention
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Multilayer colourimetric indicator. An apparatus 5 comprises a first layer 20 comprising a colour... |
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|
Invention
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System for quantifying a colour change. A system (5) for quantifying a colour change in a colorim... |
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2009
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Invention
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Dose responsive uv indicator. A UV radiation (UVR) response indicator comprises a first UVB and/o... |