In this paper the water sample was digested in a high pressure disinfector and COD was determined by spectrophotometry. This method has some trait of rapidness, convenience and high accuracy.

• 摘要本文研究了用高压消毒锅重铬酸钾法消解环境水样，用分光光度计测定COD，本法具有快速、简便、准确度高的特点，有良好的精密度。