According to industry experts in the lighting sector, current manufacturing processes have limitations that make it difficult to completely eliminate mercury from lighting products. High-pressure mercury lamps, for instance, rely on the high pressure generated by mercury vapor during discharge to produce efficient visible light. However, this use of mercury comes with significant health and environmental risks.
Mercury is a toxic heavy metal that can enter the human body through skin contact or inhalation. Even small amounts can accumulate over time and cause serious, irreversible damage to the liver, kidneys, central nervous system, and autonomic nervous system. This slow absorption makes mercury particularly dangerous because its effects may not be immediately noticeable but can lead to long-term health issues.
One of the most concerning aspects of mercury is its ability to evaporate at room temperature. When a mercury-containing lamp breaks, the mercury inside can quickly turn into vapor and spread into the surrounding air. In such cases, the concentration of mercury vapor can rise rapidly—reaching levels as high as 10 to 20 milligrams per cubic meter. Inhaling just 2.5 grams of mercury vapor can be fatal, making it essential to handle broken lamps with extreme care and follow proper disposal procedures to prevent exposure.
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