<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/7bcc4795-6b78-4648-9f37-6cd0bd2396e0/30B7F9DF-37EE-4ECC-A96A-809C9DA35C57/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml" href="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml" style="font-size: 11px;">antoine.frostburg.edu</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><FONT face="" color="#000000">What common substances glow when placed under a black light? </FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Club soda</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Vitamins</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Chlorophyll</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><li style="margin-left:16px;padding-left: 0px;"><B>Many biological fluids</B> contain fluorescent molecules. Forensic scientists use UV lights on crime scenes to detect fluorescence from blood, urine, or semen. Some marine organisms (notably jellyfish) produce proteins that are very intensely fluorescent. </LI></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><li style="margin-left:16px;padding-left: 0px;"><B>White paper</B> is treated with fluorescent compounds to make it appear brighter. Historical documents that have been forged can sometimes be detected by placing them under a black light to see if they fluoresce; fluorescers have only been used in paper made after about 1950 [<A href="#1">1</A>]. </LI></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Antifreeze</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><li style="margin-left:16px;padding-left: 0px;"><B>Laundry detergents</B> contain fluorescers to make the whites "whiter than white". Detergent residues on white clothing causes it to glow blue-white under a black light. These fluorescers sometimes make white clothing appear blue in color photographs. </LI></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Dental enamel and whiteners</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><B>Some common minerals</B></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml"><li style="margin-left:16px;padding-left: 0px;"><B>Postage stamps</B> are printed with inks that contain fluorescent dyes. </LI></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/30B7F9DF-37EE-4ECC-A96A-809C9DA35C57/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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