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Analytical / Chromatography > Titration > HYDRANAL® Karl Fischer Reagents > Two-component Reagents
HYDRANAL®

Two-component Reagents

Ordering Information
Composition

With two-component reagents, the reactants are in two separate solutions. HYDRANAL®-Solvent is a solution of sulfur dioxide and imidazole in methanol. HYDRANAL®-Titrant is a solution of iodine, dissolved in a suitable solvent, with an exact titre and a high stability of the titre.


Stability

The titrants have a shelf life of three years, the solvents of five years.


Toxicity

Non-toxic E-Type reagents based on ethanol make safer Karl Fischer titration possible.


Advantages of the two-component titration

  • Higher titration speed compared with volumetric one-component titration.
  • Greater accuracy for small amounts of water.
  • Higher buffer capacity.
  • Exact and stable titre.
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Literature

English
HYDRANAL®-E Types The new dimension in non-toxic Karl Fischer titration
Deutsch
HYDRANAL®-E Types Reagenzien für die nicht toxische Karl Fischer-Titration

 

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