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Determination of water in toluene - simple test needed

David Wheeler
in Applied Chemistry

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Can anyone help with a simple method for determining the water level in toluene in the field. This will be below the solubility limit of water in toluene, i.e. well under 0.5%?

 

e.g. Is there a dip slide or an indicator solution? I'm trying to avoid instrumental techniques as it has to be carried out away from the lab.

 

Thanks!

David

Portable conductivity meter. I know they use a similar technique when measuring the water content of brake fluid when your car is in the shop.

i wonder if freezing it would separate the water. i make my concetrated wine

that way. water freezes and alcohol don't.

jbu

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