MSL - SAM and CHEMIN, Discussion of the science/results from these instruments |
MSL - SAM and CHEMIN, Discussion of the science/results from these instruments |
Nov 21 2012, 11:46 AM
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Senior Member Group: Admin Posts: 3108 Joined: 21-December 05 From: Canberra, Australia Member No.: 615 |
ADMIN NOTE: Hi All, a new topic for the discussion of the science from the SAM and Chemin instruments.
There has been a very important amendment to Rule 1.3 which is explained here. Please remember Rule 1.3 at all times when discussing matters in this section. |
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Dec 16 2013, 09:25 PM
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Junior Member Group: Members Posts: 94 Joined: 11-August 12 Member No.: 6536 |
I'm not quite sure what we are talking about here. I think that everybody agrees that for a future mission there are possible ways to handle the perchlorate problem.
If we are talking about the SAM instrument currently on Mars then it may be possible to make it do things for which it was never designed however you are likely to run into all kinds of challenges. I think there is a way to flow oxygen from a reservoir into the oven and then send the products to the detectors. Looking at Figure 3 referenced above it might be possible to flow gases from the "H20 and CO2 scrubber" along a similar path. And the absorbers used for scrubbing CO2 usually work for other acidic gases, so it is likely that they would trap HCl. So I think there is a chance that Gerald's scheme for detecting carbonates might work, however I don't know enough about SAM to be sure. Before we think about teaching SAM new tricks I think we should remember that there are a number of tricks that SAM was supposed to know which we have yet to see performed. For instance SAM hasn't done the O2 combustion experiment or the wet chem experiments or the methane concentration experiment. There seems to be some kind of hold up with writing software or ground testing. |
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