Objective Analyze and summarize the factors and precautions that affect the use of N,N-diethyl-phenylenediamine spectrophotometry for the determination of sulfides in water through experimental analysis.Methods N,N-diethyl-p-phenylenediamine spectrophotometry was used for the determination of sulfide in water.The accuracy and precision of the method were verified by the standard samples with known sulfide content,and all aspects of the experiment were analyzed.Result The N,N-diethyl-p-phenylenediamine spectrophotometry method for the determination of sulfides in water meets the analytical requirements in terms of linearity,precision,and accuracy,making it suitable for the detection of sulfides in clean water.Conclusion When doing the experiment,attention should be paid to sampling,preparation and absorption of standard solutions,and preparation of colorimetric solutions etc.in order to achieve satisfactory results.
NETL
NSTL
万方数据
