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| Date: | Tue, 13 Jan 2009 18:55:48 -0500 |
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Sklenar,
You can't use an XRF to tell the dufference between IPA and water.
My first suggestion is smell.
Second - FTIR.
Bev
RIM
----- Original Message -----
From: TechNet <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Sent: Tue Jan 13 18:36:52 2009
Subject: Re: [TN] Water and Alcohol Flux
Did you try a digital pH meter to see if any difference between these two fluxes is recordable?
Another option could possible be the spectrum comparison if you have a XRF analyser or something similar available...
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Ian Hanna
Sent: Wednesday, 14 January 2009 10:35 AM
To: [log in to unmask]
Subject: Re: [TN] Water and Alcohol Flux
A bic lighter...
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Larry Dzaugis
Sent: Tuesday, January 13, 2009 6:16 PM
To: [log in to unmask]
Subject: [TN] Water and Alcohol Flux
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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