Question

What is the Fluorescent - What does fluorescent mean??

Accepted Answer

A property of materials defined as the ability to emit light after absorbing electromagnetic radiation such as visible or UV light  The emitted light usually has a longer wavelength than the absorbed radiation  this is clearly seen is one of the most common examples of fluorescence  when UV light  that is invisible to the human eye  is absorbed and then emitted as visible light  It has a number of practical applications including mineralogy  gemology  geology  chemical analysis  medical tests and research  forensics  security stamps or markers  fluorescent lighting  and LED lamps  As these materials reflect visible light and emit long wavelength light together  they can also be used as extremely vivid and strong colourants to be displayed either in natural light or under UV lighting or black lighting  which will cause these materials to fluoresce and be perceived by the human eye as having a    glow      This makes these materials ideal for uses such as high visibility clothing  decorative paints  and warning signs         In labelling  fluorescent materials can be used to make coatings and face materials or as a component of fluorescent inks  they are chosen primarily for their high visibility and or their decorative finish  but can also be used to print security labels

FR - What does FR stand for?

Definition of FR: