Electronics Forum: ionograph correlate ion chromatography (Page 1 of 3)

Ion Chromatography (IC) qualification

Electronics Forum | Wed Apr 13 09:42:58 EDT 2011 | cstev112

Thanks for the reply. R/O/I is ROSE / Omegameter / Ionograph which is used as a baseline for Ion Chromatography.

Ionograph or Omegameter

Electronics Forum | Mon Nov 01 15:57:35 EST 2004 | davef

Both are equally efficient process control tools. Neither is particularly effective in testing ionic contamination. The best way to sell your customer on allowing you to do this is to show them that you understand the WHOLE process and are able

Ionograph or Omegameter

Electronics Forum | Mon Nov 01 19:50:29 EST 2004 | davef

Q1: Will the ion chromatography be able to identify and quantify the contaminant? A1: Yes, it will identify and quantify the amount of contaminant. Obviously this is very useful in troubleshooting the source of the contaminant. [The only problem fo

Ionograph or Omegameter

Electronics Forum | Mon Nov 01 17:27:07 EST 2004 | Dreamsniper

Hi davef, Will the ion chromatography be able to quantify then identify where and what the contaminant is? Is this a destructive type of testing or the PCB will remain intact right after the test? thanks for the inputs. dreamy

Ionic Contamination Acceptance Criteria

Electronics Forum | Thu Dec 16 09:59:47 EST 2004 | saragorcos

Hi there - unfortunately, there are no good cleanliness specs available mainly because clealiness requirements are case sensitive - you should talk to Terry Munson at 765-457-8095 - he can definitely give you advice on Ion Chromatography, SIR, ROSE t

Re: measuring board/assy cleanliness

Electronics Forum | Wed Oct 18 16:33:26 EDT 2000 | Dave F

Mike: An omega meter has very little to do with ion chromatography. * IPC TM-650, 2.3.25B, Detection and Measurement of Ionizable Surface Contaminants is a process control method that washes boards with an isopropanol / water solution and measures

PCB wash chlorine

Electronics Forum | Sat Oct 04 00:21:00 EDT 2003 | Dean

It would help to run a carbon, anion, cation, mixed-bed configuration with pure DI as the final rinse. IF your incomming water is really bad you can run a RO unit to "prepare" the water for ion exchange. Do you run omega meter or ionograph testing

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

Ionograph Testing

Electronics Forum | Fri Jan 06 09:15:34 EST 2006 | sarar

I would suggest that it would be helpful to perform ion chromatography analysis on some of the boards that have failed your ionograph tests as well as some boards that have passed. This will tell you exactly what ionic species are present on the boa

SIR starting point...?

Electronics Forum | Mon Oct 21 22:15:36 EDT 2002 | davef

First, SIR data is heavily dependant on the test pattern selected. Be very careful when comparing the results of resistance readings taken from different geometric patterns. Second, if yer talkin': * Bare boards, yupper. * Finished assemblies impor

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