We answer another reader’s question: Why is the retention time of my peak slightly different than the retention time of the UV apex spectrum for the peak?
We answer a reader’s question as we’re discussing how to use Empower’s System Suitability option: How can I calculate the ratio of peak height to valley height when I have a valley point between peaks?
Whether you’re in a QC lab and need to track the amount of active in each batch that ships, doing Method Development and need to track the number of injections you get out of a column, or if you are a process chemist tracking the completion of a reaction, Control Charts is a great visual tool in Empower Software. See how to use it.
72: What is the Acceptance Criteria Limits on the Limits tab in Empower Software’s System Suitability Option? What is it and when would it be used?
Q&A from a recent forensic toxicology webinar on using an ACQUITY UPLC I-Class/Xevo TQ-S micro MS system for quantifying cannabinoids in oral fluid.
Two MAM approaches for biotherapeutic analysis are being implemented today; one focused on the analysis of monoclonal antibody (mAb) subunits, and the other focused on the analysis of peptides from a protein digest (peptide mapping workflow). Both have their advantages and disadvantages. Here, we explore MAM for mAb subunit analysis.
