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Saturday, August 20, 2011

Warning On Photocatalyst & Negative Ion Light Bulbs Sold By MLMs in the Philippines

Warning on ILLUMINATED TiO2 !

TiO2 Photocatalyst In Light Bulbs:May create substances more dangerous than the original pollutant.

Photocatalyst and Negative Ion Bulb From GoodFaith Marketing

"The photocatalyst negative ion light bulb neutralizes the positive ions emitted by appliances such as TVs and computers, and other electrical devices that causes fatigue and stress to humans. By neutralizing these ions using negative ion light bulbs, the air around you will suddenly feel like the outdoors, the same feeling you have when you're near the forest where the air is so cool. Not only does this light bulb eliminate these ions, it also ELIMINATES CIGARETTE SMOKE, and POLLENS which cause asthma to a number of people." From GoodFaith product brochure

Photocatalyst & Negative Ion Bulb By Clixster Philippines 

15 Watts Eco Friendly Photocatalyst Negative Ion Bulb

Product Information From Clixsters Philippines

The PHOTOCATALYST and NEGATIVE ION BULB is more than just an ordinary (CFL) bulb. It is a revolutionary, all in one product that has a deodorizer, air purifier, sanitizer and invigorator while providing energy efficient light!
• Cleans air, removes smoke, dust pollens, pollution and air contaminants. • Gets rid of germs and bacteria that trigger allergies, asthma, sinusitis, and bronchitis.
• Revitalizes body energy and eases fatigue and tiredness.
• Relieves headache caused by excessive exposure to computers.
• Prevents growth of mildew.
• Energy saver and will last up to 10,000 hours
• Each bulb is capable of refreshing air in an area up to 10 square meters.
Simply turn on the light and the Ti02 coating on the bulb begin to work. This bulb is recommended for use in homes, hospitals, offices and restaurants and perfect for areas with persistent odor such as veterinary offices, homes with pets, restrooms, healthcare facilities, closets, trash areas, gyms, locker rooms, basements, damp or musty areas. The photo catalyst bulbs fit any standard socket.
• The bulb should not be installed in sockets or areas directly exposed to water, rain ETC. • Do not use with dimmers or dimming circuits.
• Do not use in totally enclosed or recessed fixtures/receptacles, such as pin lights.
• It should not also be used in emergency exit fixtures or lights and should never be used in electronic timers or photo cells.
• Install and remove lamp from fixture by grasping the plastic bag and never touch the lamp with your bare fingers only.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (
TiO2 Photocatalyst In Light Bulbs
One concern raised about the use of TiO2 (Titanium Dioxide)  is the formation of potentially 
harmful intermediate products 
during the breakdown of organic substances.

Carl Koval, a chemist at the University of
Colorado in Boulder, and others have raised
the concern that the reactions produced by
TiO2 may create substances more dangerous
than the original pollutant.

Says Koval, When illuminated TiO2 is
used to decompose organic compounds, a
large number of intermediate compounds are
usually formed. In some cases, these intermediatecompounds can be more 
hazardous than the compound being decomposed.”

For example, he says, the breakdown of TCE
yields trichloroacetic acid (a substance almost
as toxic as TCE) and, in the gaseous phase,
phosgene (a chemical warfare agent).
by Walter A. Zeltner and Dean T. Tompkins , Associate Scientists in the Environmental Chemistry and Technology Program at the University of Wisconsin -Madison