The concentration of chlorine dioxide was determined by spectrophotometry according to the characteristic of decoloration of chlorophenolred with chlorine dioxide.
根据二氧化氯可氧化氯酚红使其褪色的特性,用示差分光光度法测定水中低浓度二氧化氯的含量。
2
The low concentration of chlorine dioxide in water can be determined by spectrophotometry based on the chlorine dioxide can decolor and oxidize xylenol orange and chlorophenolred.