Issue 1217, 1977

Kinetic micro-determination of manganese in natural waters and of iridium, nitrilotriacetic acid and 1,2-diaminocyclohexane-NNNN′-tetraacetic acid

Abstract

An automatic kinetic spectrophotometric method is described for the ultramicro determination of manganese and iridium, based on their catalytic effect on the periodate-phosphinate reaction. The method is also used for the determination of nitrilotriacetic acid (NTA) and 1,2-diaminocyclohexane-NNNN′-tetraacetic acid (DCTA), on the basis of their activating and inhibiting effect, respectively, on the manganese-catalysed periodate-phosphinate reaction. The time required for the reaction to consume a fixed amount of periodate is measured automatically and related directly to the concentration of catalyst, activator or inhibitor. Manganese and iridium at the 10–8–10–7M level and NTA and DCTA at the 10–6M level were determined with average errors of about 2%. The method has been applied to the determination of manganese in natural waters.

Article information

Article type
Paper

Analyst, 1977,102, 591-600

Kinetic micro-determination of manganese in natural waters and of iridium, nitrilotriacetic acid and 1,2-diaminocyclohexane-NNNN′-tetraacetic acid

D. P. Nikolelis and T. P. Hadjiioannou, Analyst, 1977, 102, 591 DOI: 10.1039/AN9770200591

To request permission to reproduce material from this article, please go to the Copyright Clearance Center request page.

If you are an author contributing to an RSC publication, you do not need to request permission provided correct acknowledgement is given.

If you are the author of this article, you do not need to request permission to reproduce figures and diagrams provided correct acknowledgement is given. If you want to reproduce the whole article in a third-party publication (excluding your thesis/dissertation for which permission is not required) please go to the Copyright Clearance Center request page.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements