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Loosing C35-C40 standards sensitivity over time

Question asked by zkarpati on Jun 24, 2020
Latest reply on Sep 1, 2020 by zkarpati

Hi,

 

I have a question. I loose the sensitivity of C35-C40 standards. I usually inject a standard mix (C21-C40) but over the time I loose the high chain length carbons. Either I see very little peaks or I see nothing. If I inject the low carbon chain standard mix (C8-C20) I have no problem at all, I have the same sensitivity over the time. Could anyone help me what to do?

 

Thanks a lot

 

Zsolt

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