A novel,simple,accurate and sensitive kinetic spectrophotometric method for the determination of nitrilotriacetic acid was proposed,based on the inhibited effect of media.The linear range of determination was found to...A novel,simple,accurate and sensitive kinetic spectrophotometric method for the determination of nitrilotriacetic acid was proposed,based on the inhibited effect of media.The linear range of determination was found to be 0.010～0.25μg/ml for nitrilotriacetic acid,and the detection limit 0.0051μg/ml.The method was applied to determine the content of nitrilotriacetic in a synthesized sample with satisfactory results.展开更多
Summary-The combined derivative spectrophotometry developed bythis paper is a new method, which can be used for the simultaneous determination of mtulticomponent mixture and may be allowed to improve sensitivity and a...Summary-The combined derivative spectrophotometry developed bythis paper is a new method, which can be used for the simultaneous determination of mtulticomponent mixture and may be allowed to improve sensitivity and accuracy of the determination remarkably. Two practical tests were carried out to verify the correctness of the theory and the results were Satisfactory.This paper also made an approach to quantitative comparison of sensitivities of different methods, and the conception of the index of relative sensitivity has been proposed.展开更多
文摘A novel,simple,accurate and sensitive kinetic spectrophotometric method for the determination of nitrilotriacetic acid was proposed,based on the inhibited effect of media.The linear range of determination was found to be 0.010～0.25μg/ml for nitrilotriacetic acid,and the detection limit 0.0051μg/ml.The method was applied to determine the content of nitrilotriacetic in a synthesized sample with satisfactory results.
文摘Summary-The combined derivative spectrophotometry developed bythis paper is a new method, which can be used for the simultaneous determination of mtulticomponent mixture and may be allowed to improve sensitivity and accuracy of the determination remarkably. Two practical tests were carried out to verify the correctness of the theory and the results were Satisfactory.This paper also made an approach to quantitative comparison of sensitivities of different methods, and the conception of the index of relative sensitivity has been proposed.
