Page 1 of 1
RI Detction 1047A
Posted: Fri Jun 04, 2010 11:40 am
by Barbara
Hi
I am currently resurrecting an old RI Detector (1047A) and am wondering if it is compatible with a new Perkin Elmer HPLC?
Posted: Sat Jun 05, 2010 2:11 am
by Consumer Products Guy
We had a 1047A RID, and it could be connected to our Agilent systems as a standalone detector with an A/D digital converter board.
Posted: Tue Jun 08, 2010 8:25 am
by Barbara
Thank you for your reply, I might have more questions depending on how I get on with the detector!!
Posted: Wed Jun 09, 2010 2:37 pm
by Barbara
I am currently trying to resurrect an RI Detector (1047A) one that has not been used in over 8 years. I have a light intensity error, and I have tried the troubleshooting points, I have flushed with Methanol and IPA. The TP1 and TP2 intensities together are -1.73 (they should be -4 to -5.5). TP1 (sample photo diode) is -0.25 and TP2 (reference photo diode) is -3.22. Should I continue flushing to try to bring these values up?
As the detector is old I am wondering if it would be wise to replace the flow cell?
Posted: Wed Jun 09, 2010 6:26 pm
by Consumer Products Guy
Flush in the reference position with mobile phase (or IPA or methanol) for at least 15 minutes. Then switch to the sample position and let pump for 15 minutes to balance the sides.
Posted: Thu Jun 10, 2010 2:31 pm
by Barbara
Thank you for your reply. I have performed what you suggested, and now the values have decreased considerably, both reference and sample together are at -0.85?
Do you think it would be an idea to buy a flow cell and lamp assembly, as Agilent no longer support this RI?
Posted: Thu Jun 10, 2010 6:31 pm
by Consumer Products Guy
Thank you for your reply. I have performed what you suggested, and now the values have decreased considerably, both reference and sample together are at -0.85?
Do you think it would be an idea to buy a flow cell and lamp assembly, as Agilent no longer support this RI?
Lamp is relatively inexpensive, if I remember correctly. Flow cell is quite expensive. System should go to "waste" from the RID. If you are also using a VWD in-line, the VWD goes first, as RID flow cells can't handle backpressures.