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For many applications pure methanol like HYDRANAL®-Methanol dry is used to dissolve the samples. It is however often necessary
to alter the working medium to suit the individual sample. Non-polar samples require chloroform or a long-chained alcohol as solubilizer whereas
polar samples and many foodstuffs necessitate the addition of formamide. Acidic and basic samples often must be neutralised in order to reach the ideal
pH-value or to suppress side-reactions.
Riedel-de Haën developed several working media which can be used for most of the usual applications and samples.
Additionally we several solubilizers and buffers. The product range is completed by HYDRANAL®-Humidity Absorber.
This drying agent is suitable to reduce air moisture which is one of the most common sources of error in the Karl Fischer titration.
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