Electronics Forum: chromatography (Page 1 of 8)

Ion Chromatography (IC) qualification

Electronics Forum | Tue Apr 12 15:50:14 EDT 2011 | cstev112

New to using Ion Chromatography (IC)testing to understand cleanliness of PCB. I've been informed that one method to monitor is to use R/O/I. What is R/O/I?

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.

Acceptance Criteria Ion Chromatography testing?

Electronics Forum | Tue May 22 19:28:31 EDT 2012 | Rick Thompson

Are there any established acceptance criteria for contaminants based on Ion Chromatography testing? I've found some references to certain levels for some contaminants but there doesn't seem to be any industry consensus. Any feedback or reference to l

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

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

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

measuring board/assy cleanliness

Electronics Forum | Wed Oct 18 09:35:54 EDT 2000 | mike weekes

Does anyone know of a less expensive technique to monitor board cleanliness (chlorides in micrograms/in2) other than omega mater - ion chromatography is costing us an arm and a leg.

Contamination test

Electronics Forum | Mon Jul 30 05:13:07 EDT 2001 | nifhail

Thanx Cal, how can I get the archive for year later than 2000 ? I've requested, the RR00013 but still waiting for the reply. Anyway, thanx in advance. Do people measure Bromide ? how about Chromatography test ? can it helps ? cheers

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

Electronics Forum | Wed Nov 10 17:45:35 EST 2004 | Dreamsniper

Hi, What's the acceptable criteria for Ion Chromatography Testing? I found a test lab but they said we have to define what is pass or failed. Can anyone guide me to the right document either IPC or MIL Std? thanks,

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