Phenylphenol,phosphorus trichloride and aluminium trichloride were mixed and reacted between 60~215℃ for about 11h,then vacuum distilled at 202~235℃ under pres
The equilibrium constants and oxygenation constants of diethylenetriamine,triethylenettramine Co(Ⅱ) complex were determined by pH potentionmetric method.Some