2. Green and red light mix to produce yellow, red and blue light mix to produce
magenta, green and blue mix to produce cyan.
绿光和红光叠加可产生黄色,红光与蓝光叠加可产生品红色,绿光与蓝光叠加可产生青绿色。
3. It is produced by the reduction of fuchsin by sulfurous acid, and is oxidized by aldehydes and ketones, restoring the
magenta color of the fuchsin.
配法是用亚硫酸使品红溶液还原,若有醛酮类存在时便使之氧化而重新呈现品红本身的洋红色。