Use 150 proof rum as reference. 
--------------------------
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----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Wed Jan 14 03:15:30 2009
Subject: Re: [TN] Water and Alcohol Flux

Nasal chromatograph should tell you!

I could say that you could try drinking some and then doing a 
breathalyser test, but there may be some unpleasant side effects and 
that beer you had at lunchtime may be a confounding factor. :-)

Brian

Larry Dzaugis wrote:
> What is a simple test to tell the difference between alcohol and water based
> fluxes?
> Both are 3% solids flux.
> 
> I am running both fluxes in the same machine.
> The concern is that the wrong flux is loaded during a change over.
> They behave so differently that the use of the wrong one will result in
> badly soldered boards.
> 
> Our long term solution is seperate flux tanks and spray nozzels if it
> continues with bar code verified replenishment.
> 
> In the mean time what would be a quick test?
> 
> The weight of an alchol flux on the PCB is inconsistent due to evaporation.
> 
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