Titlebook: Determination of Anions; A Guide for the Anal Thomas Roy Crompton Book 1996 Springer-Verlag Berlin Heidelberg 1996 Anionen.Chemische Analys

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Lecture Notes in Computer ScienceArsenite (and arsenate and phosphate) have been determined in natural waters by a technique based on flotation spectrophotometry and extraction — indirect atomic absorption spectrometry using malachite green as an ion-pair reagent [9.1].

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Introduction,The contents pages of this book list the types of anions discussed, together with subsections dealing with each type of sample. For some readers it may be of interest to list the analytical techniques used for the determination of each type of anion. This is discussed below.

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Muscularis

Sulphur Containing Anions,Various titration procedures have been described for the estimation of sulphate. These include reaction with excess barium ions and back titration of excess barium, direct titration of sulphate with barium ions, and direct titration of sulphate with lead ions.

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Boron-Containing Anions,The most popular spectroscopic method for the determination of borate in water is based on the use of curcumin as chromogenic reagent [7.1 – 7.4] which reacts with borate to produce rosocyanine, a pink coloured dye.

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Carbonate, Bicarbonate and Total Alkalinity,Legrand et al. [8.1] carried out, alkalinity and acidity titrations on polar snow. The method is accurate to ± 0.2 μ equiv l. acidity or alkalinity. Contamination free sampling and sample handling techniques are described.

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