Author |
Message |
David Semmes (dsemmes)
New member Username: dsemmes
Post Number: 2 Registered: 6-2010
| Posted on Tuesday, June 22, 2010 - 2:21 pm: | |
David, your contact info is hidden, so I cannot write you directly. Would you read my new post at "Bruce Campbell's List � Equipment � NIR-ID probe cleaning validation/supplier of disposable plastic sleeves" and then write me? Thanks, David Semmes |
David Adamson (davida)
New member Username: davida
Post Number: 4 Registered: 5-2009
| Posted on Monday, October 05, 2009 - 3:42 pm: | |
Hi Ralf. The probe is 45 cm long x 1cm wide stainless steel with a bunch of send and receive fibres terminating near the end and "looking" through a clear inert window on the end. I am concerned not with the cleanliness of the end of the fibres but the probe surface as a whole. We do not want to inadvertently transfer adhereing material from one container to the next. So its cleaning of the stainless stell I am concerned with. Cheers |
Ralf Marbach (ralf)
Member Username: ralf
Post Number: 13 Registered: 9-2007
| Posted on Monday, October 05, 2009 - 12:45 am: | |
Hi David, One thing that helps a lot in praxis is a "Fiber Inspection Microscope" (Google it to find suppliers). There are handy handheld units avaialble for a few hundred dollars. They have adapters that fit your connector type (SMA I suppose, but can be anything). With these you get a clear view of what's on your fiber, if anything. Maybe such detail visual inspection is enough for your purpose as well. Regards, Ralf Marbach Chief Research Scientist, VTT President, MTT Multantiv |
David Adamson (davida)
New member Username: davida
Post Number: 3 Registered: 5-2009
| Posted on Sunday, October 04, 2009 - 9:21 pm: | |
I have a concern in a pharmaceutical situation about how to verify the effectiveness of cleaning regimes for stainless steel Fibre Optic Probes. I need to ensure that any material is effectively removed from the probe prior to changing to another material so as to avoid cross contamination. As you can appreciate some pharmaceutical materials are highly toxic in the pure state so even tiny amounts of cross contamination could be dangerous. We intend to place the probe directly into the test materials followed by a dry wipe down and then an alcoholic wipe down. |