土问碘，溴还有氯哪个毒性大？为什么? 以下是引用 abcokm1234 在2007-8-11 10:41:00的发言： 卤素的毒性都大.从使用安全系数上看, 氯气最毒,常温下是气体,更容易很呼吸道进入人体.不好保存 溴次之,常温下是液体,虽然容易挥发,但使用和保存还是挺方便的.只要注意排风, 碘最小,常温是固体,除非把它吃了才会中毒 most people who ingest excess amounts of iodine remain euthyroid. some people who ingest excess amounts of iodine, particularly those who were previously deficient, develop hyperthyroidism (jod-basedow phenomenon). paradoxically, excess uptake of iodine by the thyroid may inhibit thyroid hormone synthesis (called wolff-chaikoff effect). thus, iodide toxicity can eventually cause iodide goiter, hypothyroidism, or myxedema. very large amounts of iodide may cause a brassy taste, increased salivation, gi irritation, and acneiform skin lesions. 查看更多
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