Tuyen,
The ionic contamination testers work equally on RoHS and non-ROHS 
assemblies.  You may find that the residues from RoHS-compliant boards do 
not dissolve as readily and so your boards may appear cleaner than they 
really are.  I would suggest using ion chromatography per IPC-TM-650, 
method 2.3.28, to get a truer representation of how clean your assemblies 
are.

Doug Pauls
Rockwell Collins



From:   Tuyen Tran <[log in to unmask]>
To:     <[log in to unmask]>
Date:   03/07/2014 07:00 AM
Subject:        [TN] Cleaning Tester for RoHS Product
Sent by:        TechNet <[log in to unmask]>



Dear Technet

I'm new here and I would like to ask question.
We are manufacturing PCBA. Our challenge is the problem on testing clean.
Our customer requested cleaning and testing ionic contamination for RoHS 
products, but we had only a cleaning tester (OMEGA METER SMD 600) which 
does work well for Non-RoHS product.
Our question: Can we use the cleaning tester (OMEGA METER SMD 600) to test 
ionic contamination for RoHS product? is it compliant with RoHS 
regulation?

We would dearly love to find a more elegant solution.

Thanks you and Best regards
Tuyen Tran (Ms.) - QAE
Spartronics Vietnam Co.,Ltd

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