| Author |
 Topic  |
|
|
abbasi123
2 Posts |
 Posted - 11/17/2016 : 10:23:33 AM
|
Hi,
I used origin pro evaluation. I have multiple curve (DSC, Raman, XRD) contain multiple peaks. How can I remove extra peaks and make sharper another peaks? |
|
|
yuki_wu
896 Posts |
Posted - 11/17/2016 : 10:36:35 PM
|
Hi,
If you want to remove extra peaks, you can try to subtract a baseline in Peak Analyzer:
1. Select Analysis: Peak Analyzer: Open dialog from Origin menu to bring up the dialog.
2. Select Subtract Baseline in Goal item, and then click Next button
3. Select User Defined from the drop-down list of Baseline Mode
4. Clear the check of Enable Auto Find, and enter the number of points as you desired in the Number of Points to Find textbox
5. Click Find button, and then click Modify/Del button
6. Move the points to mark the line you want to subtract, and then click Done button return to Peak Analyzer dialog
7. Click Next button, you will see the baseline
8. Click Next button, and the click Subtract button and Finish button in turn.
A related tutorial can be found here:
http://www.originlab.com/doc/Tutorials/Create-Subtract-Baseline
If you want to sharpen peaks, you can try an App: Fourier Self-Deconvolution:
http://www.originlab.com/fileExchange/details.aspx?fid=309
Hope it helps.
Regards,
Yuki
OriginLab |
Edited by - yuki_wu on 11/17/2016 10:40:49 PM |
 |
|
|
abbasi123
2 Posts |
Posted - 11/18/2016 : 12:23:11 PM
|
Hi, Thank you Yuki for your reply. If I had multiple curve I should do "subtract baseline seperatly for each of them and how can I put the new curve in one chart?
Thank you so much
Mina
quote:
Originally posted by yuki_wu
Hi,
If you want to remove extra peaks, you can try to subtract a baseline in Peak Analyzer:
1. Select Analysis: Peak Analyzer: Open dialog from Origin menu to bring up the dialog.
2. Select Subtract Baseline in Goal item, and then click Next button
3. Select User Defined from the drop-down list of Baseline Mode
4. Clear the check of Enable Auto Find, and enter the number of points as you desired in the Number of Points to Find textbox
5. Click Find button, and then click Modify/Del button
6. Move the points to mark the line you want to subtract, and then click Done button return to Peak Analyzer dialog
7. Click Next button, you will see the baseline
8. Click Next button, and the click Subtract button and Finish button in turn.
A related tutorial can be found here:
http://www.originlab.com/doc/Tutorials/Create-Subtract-Baseline
If you want to sharpen peaks, you can try an App: Fourier Self-Deconvolution:
http://www.originlab.com/fileExchange/details.aspx?fid=309
Hope it helps.
Regards,
Yuki
OriginLab
|
|
|
|
easwar
USA
1964 Posts |
Posted - 11/18/2016 : 3:27:36 PM
|
quote:
Originally posted by abbasi123
Hi,
I used origin pro evaluation. I have multiple curve (DSC, Raman, XRD) contain multiple peaks. How can I remove extra peaks and make sharper another peaks?
Hi,
Do you mean some technique such as this, to sharpen peaks?
https://terpconnect.umd.edu/~toh/spectrum/ResolutionEnhancement.html?
If yes, it can be done with some simple column calculations, or we can also create an App.
Easwar
OriginLab |
|
|
|
yuki_wu
896 Posts |
Posted - 11/21/2016 : 12:21:15 AM
|
Hi Mina,
At Step8 I mentioned, you can specify the output range of the curve data and the baseline data. After you finish subtracting baseline, you can go and find the new data to replot a new graph.
quote:
Originally posted by abbasi123
Hi, Thank you Yuki for your reply. If I had multiple curve I should do "subtract baseline seperatly for each of them and how can I put the new curve in one chart?
Thank you so much
Mina
Regards,
Yuki
OriginLab |
Edited by - yuki_wu on 11/21/2016 12:25:18 AM |
|
|
| |
Topic |
|
|
|
Peak analysing