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Question: what are the substances used in making photochromatic lense
Asked by EMMANUEL
The most common substances used to make photochromatic lenses are silver chloride (AgCl), titanium dioxide (TiO2) and iron oxide (Fe2O3). These substances react to ultraviolet (UV) light and cause the lenses to darken when exposed to bright light. Some photochromatic lenses also contain dyes to enhance their color.
Answered by text-davinci-003
Feb. 22, 2023, 7:04 a.m.
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