Sigma-Aldrich
Hydranal® Videos
Volumetric Titration using Hydranal®-Composite
Volumetric Titration using Hydranal®-Solvent and Titrant
Coulometric Karl Fischer Titration with Hydranal®-Coulomat
Coulometric Cell without a Diaphragm
The Use of Ovens
Use of Standards for Coulometry
Standardization of Titre
Karl Fischer Titration
Hydranal® Center
Hydranal® Online Catalog
Hydranal® Multimedia Guide
Technical Support
Video Home & Feedback
All Videos & Presentations
Video Feedback
 

 HYDRANAL® Karl Fischer Reagents

 HYDRANAL

Coulometric Titration with HYDRANAL®-Coulomat Reagents; Coulometric Cell without a Diaphragm





| View Products | Titration Steps | Multimedia Guide on CD |



 

Coulometric Titration Reagents Available Online:

Product Name Cat. No.
Reagents without halogenated hydrocarbons
HYDRANAL® -Coulomat E; ethanol-based anode and cathode reagent; suitable for cells with and
without diaphragm
HYDRANAL® -Coulomat AG; anolyte for general use; suitable as anolyte for cells with diaphragm and
as reagent for cells without diaphragm
HYDRANAL® -Coulomat AD; reagent for cells without diaphragm
HYDRANAL® -Coulomat AG-H; anolyte for titration of long-chained hydrocarbons; suitable as
anolyte for cells with diaphragm and as reagent for cells without diaphragm
Coulomat AG Oven; suitable for cells with and without diaphragm in combination with a KF Oven
Reagents for coulometric water determination in ketones
HYDRANAL® -Coulomat AK; anolyte for titration in ketones; containing halogenated hydrocarbons, to be used with HYDRANAL® -Coulomat CG-K




Coulometry without a Diaphragm:

Coulometric cells without a diaphragm consist of only one chamber. The anode and cathode reaction take place in the same electrolyte. The cathode reaction must not produce any side products which could be oxidized. They would consequently give the impression of extra water in the cell.

Hydranal-Coulomat AD/E/AG/AG-H/AK and AG Oven are suitable for this form of coulometry.