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Automatic thermal sample preparation for Karl Fischer titration

874.jpgWhen working with difficult samples, such as plastics, salts or other compounds that release their water slowly or require elevated temperatures to do so, labs turn to the Metrohm 874 USB Oven Sample Processor.

Its sample rack can be adjusted to accommodate users’ own sample vessels, and it can be combined with a wide range of titrators for volumetric and coulometric water determination.

Place hermetically sealed sample vials on the rack; these vials are heated in the oven to release the water, then a double-hollow needle pierces the septum and a stream of carrier gas transports the moisture to the titration cell for subsequent analysis. Since the sample never enters the titration cell, side reactions with the KDF reagent used is completely avoided.

For samples of unknown origin, the 874 Oven can record the heating curves to help determine the optimum temperature required for analysis.

All Metrohm systems come with a 3-year warranty and fully backed by our expert Applications Laboratory support team.

For further information please contact Metrohm UK Tel 01280824824 or Email your requests to

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