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Automatic titrations in unsegmented flow systems based on variable flow-rate patterns: Part 2. Complexometric and redox titrations

✍ Scribed by J. Marcos; A. Ríos; M. Valcárcel

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 643 KB
Volume: 261
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)80231-u

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✦ Synopsis

Vanable flow-rate patterns were used to develop automatic complexometrlc and redox tltratlon procedures m usegmented contmuous-flow systems Complexometrlc tltratlons were camed out by usmg EDTA as titrant and were apphed to single and simultaneous determmatlons of several metal Ions with coloured mdlcators (spectrophotometnc momtormg) Ascorbic acid was also determmed by thrs procedure usmg N-bromosuccmlmlde as tltrant and lodme-starch as mdlcator The methods thus developed were applied to the analysis of real samples

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Automatic titrations in unsegmented flow

Automatic titrations in unsegmented flow systems based on variable flow-rate patterns: Part 1. Principles and applications to acid-base titrations

✍ J. Marcos; A. íos; M. Valcárcel 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 485 KB

Automatx acid-base trtratlons were carned out by generating pH grachents m a continuous-flow mamfold A programmable, computer-controlled pump was used to produce vanable, reproducible flow-rate patterns that were used to mcrease gradually the tltrant concentration m the flow system A colorlmetrlc md