Answer to Question #4427 Submitted to "Ask the Experts"
The following question was answered by an expert in the appropriate field:
I wish to carry out tomography on a gas-liquid (water)-solid system,wherein,a gas (air) and a solid (quartz/sand or glass beads) having wide variations in density are encountered, thereby requiring special
Would it be neccessary to use two different types of sources at the same time?
Can the attenuation caused by air and sand/quartz or glass beads be quantified separately?
It sounds like the materials (water, air, glass) that you want examined are suitable for conventional/medical CT examination (computed-tomography examination), unless you desire extremely fine spatial resolution. If you can transport the sample to a nearby hospital that has a CT scanner, you might ask if someone there could check it out for you. If you have other special considerations that absolutely require dual-energy tomography, see the following references for more details:
John P. Hageman, MS, CHP
Answer posted on 14 April 2005. The information and material posted on this website is intended as general reference information only. Specific facts and circumstances may alter the concepts and applications of materials and information described herein. The information provided is not a substitute for professional advice and should not be relied upon in the absence of such professional advice specific to whatever facts and circumstances are presented in any given situation. Answers are correct at the time they are posted on the Website. Be advised that over time, some requirements could change, new data could be made available, or Internet links could change. For answers that have been posted for several months or longer, please check the current status of the posted information prior to using the responses for specific applications.
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