2011年2月13日 星期日

Eco-friendly LED light bulbs contain hazardous substances

Eco-friendly LED light bulbs contain hazardous substances

Small LED bulbs that are promoted as eco-friendly alternatives to traditional light bulbs contain high levels of lead,,schedule 40 pvc pipe They turn on automatically when motion is detected and stay lit for a certain amount of time. Another use is for utility or safety purposes. arsenic and a dozen other potentially hazardous substances that have been linked to various cancers, a new American study shows.

Researchers at the University of California in Irvine and Davis crushed LED bulbs from strands of Christmas lights and found that the red ones had up to eight times the amount of lead allowed under California law, while the other colours bulbs had even more contaminants.,inflatable seat That is why it is important to place solar LED lights somewhere where they will receive direct sunlight. The longer they are in the sun, the better. White bulbs contained the least lead, but they had high levels of nickel, said researcher Oladele Ogunseitan,,led downlight A LED flashlight is a handy and practical tool which can be used by people of all ages which is why it is a perfect gift for any of your relatives or peers.,promotional towels There are many styles of solar lighting that can be used. They are primarily for outside lighting. However, there are some that can be used for indoor lights. chair of the university's department of population health and disease prevention.

"LEDs are touted as the next generation of lighting.,pool table covers Most solar lights use incandescent or fluorescent bulbs. These consume a lot of power and thus drain the batteries quickly. This means that standard solar lights only last for a few hours after it becomes dark. But as we try to find better products that do not deplete energy resources or contribute to global warming, we have to be vigilant about the toxicity hazards of those marketed as replacements," he said in a statement.

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