Hi everyone.
My DSC/TG machine is showing zero readings for temperature and heat flow, after normal operation (ramp to 1100 C) and subsequent cooling with air to 40 C. I hope someone can help.
Hello dear, It is possible that when the cooling process with air the equipment was not programed to obtain that information. Furthermore You remember that this equipment can not cool at constant rate of cooling like it occurs with DSC normal where cooling process is controlled with nitrogen at a constant cooling rate. Despite it, for example, when we are using DSC-TGA for example an equipment SDT-Q-600, you can observe the crystallization process (exothermic, for example Tc) by cooling process with air but it does not occur at controlled cooling rate.
Therefore, when you program the equipment you have to put after heating process put equilibrate to 40 °C or when it arrived to 1100 that go to for example 40 °C is possible that the equipment can not arrived quickly at this temperature, because the process is delayed, so will appear a message of error.
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Sagir.. This may be a technical problem and has nothing to do with the science.. Regards
You are right Dr. Mahmood. The thermocouple developed some problems and we may have to replace it. Thanks for your input.
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