SIM Olfactory Detector
After GC separation, the OFD is used to record odor assoziation of an eluted substance and its intensity in function of time. A capillary transfers the eluate of the GC column from the oven to the “sniffing port”. This is a glass cone at the outside end of the capillary, where the tester can “sniff” the olfactory impressions of the compounds.
Developing the SIM OFD, a high value was set on the following prerequisite conditions that allow optimal and interference-free interpretation of the olfactory impressions:
- Absolutely olfactory neutrality of all used components so that the olfactory perception of the eluted substances is not disturbed.
- Heatable transfer line without „cold spots“ for the correct sniffing of high boiling compounds.
- Comfortable working position is enabled by the sniffing port which is vertically adjustable to individual requirements.
- Humidified air (see water bottle sitting above the sniffing port holder) is mixed into the glass cone to prevent the nasal mucosa from drying out. For this also an odorless tube is used.
- Simultaneous detection with other GC detectors (e. g. FID, MSD, ECD).
- The Microfluidic-Splitters (with/without make-up gas, Deans-switch) use Agilent Capillary Flow Technology that gives you the ability to precisely divert the gas flow pneumatically.
- different ways for rapid recording of odor impressions (short cuts, menu bar, via keyboard or pen tablet)
- integrated in Agilent ChemStation/MS ChemStation
| Article | Order No. |
| Olfactory Detector for Agilent 7890 GC* | OD 1000 78 00 |
| Parallel Detection-Kit (manual) | OD 1000 78 00 OPT020 |
| Paralel Detection Kit (microfluidic splitter, electr. controlled) | OD 1000 78 00 OPT021 |
| Paralel-Detektion Kit (Deans Switch, electr. controlled) | OD 1000 78 00 OPT022 |
| SIM Olfactometry Software incl. pen tablet | OD 1000 78 00 OPT030 |
*OFD for other gas chromatography systems available on request
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