Hello. I have an n-decane which is not certified reference material. In the bottle appear -30°C as the melting point. To calibrate DSC, should -30°C be compared with onset, peak temperature, or another temperature point?
Arcady Kossoy
Hello,
You should use the onset point which is determined in the same way as the melting point is determined - as the intersection point of the base line and tangent drawn from the inflection point of the front of DSC melting peak.
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