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Why are there so many C18 columns?

Why are there so many C18 columns?

Featured Video: Why Are There So Many C18 Columns? From end-capped to aqueous, there are a multitude of C18 phases to choose from. But, a C18 is a C18, right? In this video tip, we explore the world of C18 columns. We’ll identify the parameters you should consider...

Extra-Column Volume & Cannabinoids Analysis

How Does Extra-Column Volume Affect Cannabinoids Analysis? When developing or transferring potency methods, extra is not always better—in fact, extra-column volume in your LC system can be detrimental to peak width, resolution, and efficiency. In this article, we...

Using Void Volume to Ensure Adequate LC Retention

Using Void Volume to Ensure Adequate LC Retention

Ensure Adequate LC Retention by Determining Column Void Volume When scouting LC columns for method development, it is important to know the column’s void volume because it affects whether early eluting compounds will be adequately retained. Here, we discuss how to...

59 Terpenes. 2 Ampuls. 2500 μg/mL Concentration

59 Terpenes. 2 Ampuls. 2500 μg/mL Concentration

Featuring 59 compounds across two ampuls, our new Terpenes MegaMix standards help labs analyze an extensive terpenes list without needing to combine multiple mixes or terpene singles. These new standards contain mono, sesqui, di, and tri compounds, enabling a...

Chromatography Consumables (CCS) news

ProductsPharma Focused WebinarThe latest in our series of pharmaceutical-focused webinars is coming soon.Available to register and share with customers via email and social media. 28th Sept: Mixed-Mode Liquid Chromatography – An Exciting Development in Separation...

Improved Screening Method for Acylcarnitines and Amino Acids

Improved Screening Method for Acylcarnitines and Amino Acids

Improved Screening Method for Acylcarnitines and Amino Acids This fast, single-step extraction LC-MS/MS assay provides reliable separation of 22 acylcarnitines and 13 amino acids in dried blood spots. With a fast, 1.2 min run and no derivatization, this approach...

Speed Up Analysis with Low-Pressure GC-MS

Speed Up Analysis with Low-Pressure GC-MS

Speed Up Sample Analysis by Leveraging the Power of Low-Pressure GC-MS Low-pressure GC-MS (LPGC-MS) provides significant speed gains compared to conventional methods, but historically it has been difficult to implement. Restek’s new low-pressure GC column kit for...

Ready-to-Use Test Mix for GC Inlet Inertness

Ready-to-Use Test Mix for GC Inlet Inertness

Conveniently Evaluate GC Inlet Inertness with New “Snap & Shoot” Check Mix Monitoring GC inlet inertness is easy using Restek’s new check standard. This mix contains endrin and DDT at ready-to-use concentrations, so no dilution is needed. These compounds are...

Split vs. Splitless: Which GC Injection Mode Should I Use?

Split vs. Splitless: Which GC Injection Mode Should I Use?

Split vs. Splitless: Which GC Injection Mode Should I Use? Split and splitless are the two most common GC injection techniques. But how do you know which to use? In this video, we follow a sample through split and splitless injections and compare the strengths of each...