Hello. I am setting up a new development method for analyzing toxic chemicals.
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Relative migration time
How do I set up my processing method to calculate the RRT of the main peak to 10kD in karat 32 software?
High mass tuning calibration for ZenoTOF 7600
Hi,
Does SCIEX provide APIs?
Where I can get the API of the software?
calibration using sum of peak areas vs concentration
Hi,
Source optimization
Hello. I am setting up a new development method for analyzing toxic chemicals.
Reporting only unknown samples containing a specific sample ID prefix (in this case Sample ID prefix = PHT)
I am using Multiquant software and I am trying to create a report to pull data on specific sample from a large run.
Baseline Dip using PA800 Plus SDS-MW Application
We’ve noticed that with some gel buffer lots, we see a dip in the baseline at 280 nm when analyzing proteins per the SDS-MW protocol. Has anyone experienced this before? We don’t always see it and are wondering what causes the dip.
N-Methyl Pyrollidone
I am in the process of analyzing nitrosamines using QTRAP. One of the difficulties in my sample preparation would be using NMP as solvent to dissolve the material. Is it safe to inject approximately 10ul of NMP is QTRAP??
Please provide at least 3 decimal places for expected retention time for scheduled MRM at EchoMS
Expected retention time for scheduled MRM at EchoMS must have at least 3 decimal places, because the minute display with two decimal places is insufficient to show the difference in seconds. Thank you.
Standard peaks are noisy
I am Using Sciex Qtrap 4500 for quantification of nitrosamines (NDMA&NDBA). I am facing issue with higher baseline intensity. When developed the method in APCI the basline was at about 5e4. but now even after cleaning the source (i.e. Changed capillary to new, Curtain plate & Corona needle cleaning, given blank injection overnight ), my base line decreased from 1e6 to 4 e5, but settled at 4 e5 from past 24 hours. can you suggest me how decrease my baseline intensity further to below 1e5. My standard peaks are like noise now.
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