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Chapter 4 – Tests for the Elements, their Ions and Compounds

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The article was published on 1972-01-01. It has received 6 citations till now.

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Journal ArticleDOI

Ferrozine---a new spectrophotometric reagent for iron

TL;DR: The ferroin group has been known to react as bidentate ligands with certain metal ions such as ferrous, cuprous, and cobaltous, to give colored complex species.
Journal ArticleDOI

Modified Reagents for Determination of Urea and Ammonia

TL;DR: Combinations of reagents are described for the catalyzed indophenol reaction for the determination of ammonia, which produces a stable blue color, and the procedure is adapted to thedetermination of urea after hydrolysis with urease.
Journal ArticleDOI

Spectrophotometric determination of hydrogen sulfide in natural waters1

TL;DR: Winkler and Carpenter as mentioned in this paper proposed a modification of the Winkler method for the detection of dissolved oxygen in seawater, which has been shown to be more accurate than the original method.