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因用陶瓷餐具而引起人体中毒的现象,已逐渐引起了人们的重视。保健学家认为,要慎用陶瓷餐具。使用陶瓷餐具为何会引起人体中毒?原来,陶瓷器皿表面都涂有一层釉,彩瓷又在釉上添加了某种化合物,如添加氧化铅会显示奶黄色;添加镉化合物显示红色或黄色;添加锑化合物显示白色;添加铬化合物显示绿色及朱红色等。彩釉经过高温熔烧,尽管有一部分铅、镉等重金属的毒性会与其他元素化合而消失一些,但若瓷器直接接触带酸性的饮料或食品,便又会溶解出来,污染饮料或食品。这种有毒的食物一旦进入人
Due to the use of ceramic tableware caused by the phenomenon of human poisoning, has gradually attracted people’s attention. Health scientists believe that to beware of ceramic tableware. Why did the use of ceramic tableware poisoning? Originally, the surface of ceramic ware are coated with a glaze, porcelain and glaze has added a compound, such as adding lead oxide will show milk yellow; Add cadmium compounds show red or yellow; Add Antimony compounds show white; add chromium compounds show green and vermilion and so on. After the glaze has been calcined at a high temperature, some of the heavy metals such as lead and cadmium will disappear when combined with other elements. However, if the porcelain contacts the acidic beverage or food directly, it will dissolve and contaminate the beverage or food. This poisonous food once entered the human