An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Karl Fischer (KF) titration is a redox reaction which uses the consumption of water during the reaction to measure the amount of water in a sample. It is the reference method for water determination ...

RECENTLY, a new colorimetric reagent was introduced for the spectrophotometric determination of magnesium 1. This reagent (LaMotte Chemical Products Co., Chestertown, Md.), ...

The Optrode, a sensor from Metrohm for titrations with optical endpoint detection, was introduced in the last issue of Metrohm Information. Application specialists at Metrohm have worked out several ...

The Tillmans technique of titration against the indicator 2: 6-dichlorophenol indophenol has been modified by Harris and Ray 1 for the estimation of ascorbic acid in trichloroacetic acid extracts of ...

A range of production processes frequently employ acid mixtures comprised of two or three acids; for example, nitric acids, sulfuric acids and hydrochloric acids. In order to use these acids safely ...