Electronics Forum: resistivity solvent extract (Page 1 of 11)

ICOM rose tester resistivity error?

Electronics Forum | Wed Jul 31 11:31:54 EDT 2013 | pbarton

Could it be that the IPA you are using in the solvent/DI mix is not anhydrous, or in some other way not the correct purity? If it is not correct you will not be able to calibrate. Best rgds, Peter B.

Board Cleanliness Monitoring

Electronics Forum | Tue Nov 15 21:15:22 EST 2005 | davef

A fairly painless method for monitoring cleanliness is Resistivity Of Solvent Extract [ROSE]. Equipment is: * Omegameter * Ionograph * Ion Chaser [Zero-Ion] Anyone who desires to use an Resistivity Of Solvent Extract tester should read EMPF repor

Acceptance Criteria Ion Chromatography testing?

Electronics Forum | Thu May 31 21:43:44 EDT 2012 | davef

edmaya33, you're correct about what J-STD-001E says, but recognize that the measure that you refer us to in not IC [Ion Chromatography]. It is modified ROSE [Resistivity of Solvent Extract] ... or whatever they call modified ROSE now-a-days

Machine ICOM 5000

Electronics Forum | Wed Dec 05 23:31:12 EST 2012 | aqueous

This is a (Resistivity of Solvent Extract (ROSE) tester. Per IPC standards, ROSE testers use a test solution comprised of 75% IPA (99% pure) and 25% DI water. -Mike Konrad Aqueous Technologies www.aqueoustech.com konrad@aqueoustech.com

Key Points to be considered while buying Ionic Contamination Tester

Electronics Forum | Mon Nov 02 22:04:30 EST 2015 | davef

An ionic contamination tester should meet industrial cleanliness specifications including MIL-STD-2000A, MIL-P-28809, J-STD-001 and Resistivity of Solvent Extract (ROSE) Test Method IPC-TM-650 2.3.25


Electronics Forum | Thu Dec 05 22:46:39 EST 2002 | davef

While J-STD-001 specifies an upper limit for acceptance of assembly, we use Resistivity Of Solvent Extract testing as a process control. In truth, this "LT 10.07 �gm/sg in NaCl equivalent" measurement has substantial limitations, not the least of wh


Electronics Forum | Fri Dec 06 10:16:57 EST 2002 | davef

Bare board cleanliness is still primarily measured by resistivity of solvent extract (ROSE) using instruments such as Omegameters and Zero Ions. What is considered as "acceptable" cleanliness varies between specification and from company to company.

how clean is clean?

Electronics Forum | Thu May 26 19:32:13 EDT 2005 | Mike Konrad

Three popular methods: Resistivity of Solvent Extract (ROSE) Test Method IPC-TM-650 2.3.25: The ROSE test method is used as a process control tool to detect the presence of bulk ionics. The IPC upper limit is set at 10.0 *g/NaCl/in2. This test is p


Electronics Forum | Tue May 18 22:31:05 EDT 2004 | davef

Ionic cleanliness is pretty much meaningless, when discussing nc flux residues. If you do the good solder routine and measure the boards, you'll be in the out-house, because the water in your resistivity of solvent extract tester will turn the res o

Cleaning OA flux with vapor degreaser

Electronics Forum | Tue Mar 09 14:53:16 EST 2010 | davef

Resistivity Of Solvent Extract [ROSE] is a bulk ion contamination [BIC] test method. It should thought of as a process control tool used to assess ionic contaminants. Don't consider it an acceptable tool for establishing 'GO-NOGO' limits. The stan

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