Ultra Violet radaition....?

topic posted Mon, May 28, 2007 - 11:44 PM by  offlineClay
Here is some info I found on the subject.......

A pleasant good day to you all.I am seeking literature on the material safety data sheet for uv light tubes(BLB 40 watt,48 inches.Any information would be appreciated as i want to familiarise myself with the sphere of uv radiation.

: Thanks in advance and have a good day..

My collection on information on black light is available at www.epanorama.net/links/lig...blacklight

Some extra pages on the topic (not yet on the page above):
SAFETY PRECAUTIONS FOR USE OF HIGH - INTENSITY LONG WAVE ULTRAVIOLET (BLACK LIGHT) LAMPS
www.oeminc.org/UV_Safety.html

"Long wave ultraviolet (also known as black light or UV-A) emissions typically range from 320nm to 400nm in the electromagnetic spectrum."
"Personnel using long wave UV lamps should avoid looking directly at the sources, as this can cause fluorescence of the eyeball. This would result in lowering the ability of the user to detect the fluores�cent response."
"It is a good practice not to shine UV-A sources onto exposed skin, especially when the user is taking certain medications which produce increased photosensitivity to UV. Such exposure can cause skin irritation. Users should wear long-sleeve, nonfluorescent clothing and nonphotochromic goggles when performing inspection."


MATERIAL SAFETY DATA SHEET PRODUCT : Black Light - BLB Lamps
www.24hours7days.com/Science...SDS.html
"The "BLB" fluorescent lamp tube is made from a very deep violet-blue glass known as "Wood's glass". The tubing is quite transparent to medium and longer UVA wavelengths, and shorter visible
violet wavelengths, and a fairly broad range of infrared and the longest, least visible red wavelengths. These tubes emit UV mainly between 350 and 370 nanometers, some of the 404.7 and dimmer 407.8nm violet mercury lines, and just enough of the blue 435.8nm mercury line to have a basically blue color when lit. The "BLB" lamps are used for special effects due to their ability to make fluorescent objects glow very brightly."
"Wear protective eyewear in occupational situations and in close proximity to these lamps. Failureto do so, may result in severe burns and long-term injury to the eyes.Certain medications and chemicals may increase your sensitivity to ultraviolet radiation. Consult your physician.These lamps can be harmful to skin and eyes in situations where people are exposed for extendedperiods of time. Unshielded lamps should be installed at least 40 inches from people."

MATERIALS SAFETY DATA SHEET ULTRAVIOLET BLACK LIGHT 4 to 18 watts
www.glogerm.com/msds-glogerm-uvlight.pdf
"Long-wave, UV-A, ultraviolet light, with wavelengths at 3500 to 3800 angstrom units, is totally harmless to skin and eyes. It causes no changes in the body and requires no protective precautions in normal use as recommended by the Glo Germ Company."

"UV-A long-wave light within the range outlined above is relatively safe. However, prolonged exposure of the black light to the eyes may cause eye irritation. Symptoms, which can include tearing of the eyes, a burning or painful sensation in the eyes, sensitivity to light, or a sensation like that experienced when a foreign object is lodged in the eye, may not be present until several hours after exposure. To reduce likelihood of experiencing adverse symptoms, individuals should properly shield themselves and use the black lights only as directed. The above assumes a healthy eye and no corrective lenses. Therefore, the Glo Germ Company recommends that the lamp never be held within 6 inches of the eyes and do not look into the bulb at close range longer than three minutes. This lamp should be used under adult supervision."


* www.epanorama.net/links/lig...blacklight
posted by:
Clay
California

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