反相高效液相色谱测定钴和镍的1-(5-溴-2-吡啶偶氮)-2-萘酚-6-磺酸螯合物

• Determination of Cobalt and Nickel Chelates With 1-(5-Bromo-2-Pyridylazo)-2-Naphthol-6-Sulphonic Acid by Reversed Phase High Performance Liquid Chromatography