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INVESTIGATION ON THE SPECTROPHOTOMETRIC DETERMINATION OF TOTAL PHOSPHORUS IN NATURE WATER BY PHOTOCATALYTIC OXIDATION

YE You-sheng WAN Xin-jun CHENG Le-hua(Department of Chemistry,ChaoHu Colleage,Chaohu Anhui 238000)  
A novel degradation method for the determination of phosphorus in water was proposed.It was based upon the fact that phosphorus in various compounds could be transformed into phosphate,which was further determined by spectrophotometry.Effects on the ratio of catalytic degradation were investigated.The linear ranges of the calibration cures were from 0.00 to 4.20mg/L,The determination limits detection were 1.74×10-3 mg/L,respectively.And the advtanges of method were shorter reaction time,convenience and mild conditions.
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