11.10.2016 Aufrufe

Honeywell-Katalog

Honeywell-Katalog: Chemikalien von Riedel-de Haën, Fluka Analytical, TraceSELECT, TraceSELECT Ultra, HYDRANAL Karl Fischer Reagenzien

Honeywell-Katalog: Chemikalien von Riedel-de Haën, Fluka Analytical, TraceSELECT, TraceSELECT Ultra, HYDRANAL Karl Fischer Reagenzien

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Karl Fischer Titration<br />

<strong>Honeywell</strong> offers a wide range of pyridine-free Karl Fischer<br />

reagents for both volumetric and coulometric titrations for nearly<br />

all types of samples, completed by a broad range of standards.<br />

Coulometry<br />

Coulometric reagents based on different<br />

solvent compositions serve to support<br />

the broad variety of samples analyzed.<br />

Furthermore, some working techniques are<br />

supported by special reagents i.e. the use of<br />

Karl Fischer oven by Hydranal-Coulomat<br />

AG-Oven or the use of a cell without<br />

diaphragm by Hydranal-Coulomat AD.<br />

Volumetry<br />

The new formulation of<br />

Hydranal-Composite reagents improves<br />

the stability and eliminates the formation of<br />

crystals which can interfere with the titrator’s<br />

performance. Besides the most commonly<br />

used medium, dry methanol, also<br />

Hydranal-Methanol Rapid containing<br />

accelerators, less toxic ethanol based media<br />

(E-type) as well as methanol-free media for<br />

ketones and aldehydes (K-types)<br />

have been developed.<br />

Water Standards<br />

Hydranal-Water Standards are designed<br />

for calibration, validation and inspection of<br />

analytical instruments and reagents. With the<br />

double accreditation (ISO/IEC 17025 and ISO<br />

Guide 34), Hydranal introduced the very<br />

first commercially available CRM<br />

(Certified Reference Material)<br />

Water Standards for Karl Fischer titration.<br />

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