The method is based on the catalysis of phenthroline to the discoloring reaction of bordeaux R oxidized by potassium periodate in the dilute acetic acid solution.

• 在稀醋酸介质中,痕量邻菲咯啉对高碘酸钾氧化玫瑰桃红R褪色反应有明显的催化作用,据此建立了测定邻菲咯啉的催化动力学光度法。