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在非离子表面活性剂吐温80存在下,在pH9.2—9.8的四硼酸钠-氢氧化钠缓冲溶液中,铜与镉试剂A形成可溶性橙红色络合物,最大吸收波长为495nm,表观摩尔吸光系数为1.13×10~5。络合物可瞬时显色完
In the presence of nonionic surfactant Tween 80, copper and cadmium Reagent A form a soluble orange-red complex in a sodium tetraborate-sodium hydroxide buffer solution at pH 9.2-9.8, with a maximum absorption wavelength of 495 nm View molar extinction coefficient of 1.13 × 10 ~ 5. Complex instantaneous color finished