The Study on Simultaneous Determination of Trace Amount of Copper, Lead, Zinc and Cadmium Chela-tes of Highly Sensitive Reaqent Tetraphenylporphyrin by High Performance Liquid Chromatoqraphy

• 用超高灵敏度试剂四苯基卟啉反相高效液相色谱法同时测定微量铜、铅、锌和镉