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 Determine the cooling rate

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INFLPR Posted - 10/17/2024 : 12:48:16 PM
Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 2024b - 10.1.5.132
Operating System: Win 11

I am trying to find a way to calculate the cooling rate. If I do it manually, It is in the range of 7-13 degC/min. If I use the "Analysis -> Fitting ->Linear Fit", the slope shows "-17421". What function can I use, to calculate it corectly?

https://cloud.inflpr.ro/index.php/s/NOu7mWSuSaN34l9
2   L A T E S T    R E P L I E S    (Newest First)
INFLPR Posted - 10/18/2024 : 06:52:06 AM
Hi Nicholas G,

Thx, it worked. Is there a way to change the base unit of the X axis from days to min (or any other unit of time), besides using the formula of dividing the X column?
NicholasSupport Posted - 10/17/2024 : 5:36:45 PM
Hello INFLPR,

Thank you for reaching out. Since the base unit of the X axis is days, the slope has been calculated as degC per day. Dividing the slope by 1440 will give the units you mention, degC/min.

Best,

Nicholas G.
nicholas@originlab.com
OriginLab Technical Support Team

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