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Dear all, I need help now. I run HPLC with one of the peptide, on RP with 0.1% TFA/ACN as mobi phases. There is an impurity peak came out. The weird thing about this peak is 1) did not show in my...
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I have a sample and top surface is a layer of WC done with different method. There is a crack on the interface. User is questioning that there is a oxide layer and not a crack. How shall I solve...
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