September 01, 2021
Columns
39
9
There is a need for fast and reliable PFAS analyses to monitor drinking water quality. We report on the use of semi-automated sample preparation with EPA methods 533 and 537.1, assessing performance and processing time.
September 01, 2021
Viewpoints
39
9
Are the days numbered for long linear runs of univariate data in separation science?
September 01, 2021
Column Watch
39
9
Three-dimensional (3D) printing shows promise for creating stationary phases with tailored geometries. We present a method that overcomes limitations of other approaches, and can produce columns with a feature resolution of 10 μm.
September 01, 2021
Peer Reviewed Articles
39
9
Improved analysis of pharmaceutical and natural medicine products requires advances in reversed-phase LC stationary phases. We examine two synthesized stationary phases with applicability in quality control and chiral separation for analysis of natural products.
September 01, 2021
LC Troubleshooting
39
9
In a continuing series on peak shapes, we focus on potential physical causes of asymmetry, including column packing, changes in the packed particle bed, and accumulation of debris in the column.
September 01, 2021
Column: GC Connections
39
9
The late Harold McNair had a remarkable 60-year career as a chromatographer. He taught us many valuable lessons, three of which we discuss here.
September 01, 2021
Column: Sample Prep Perspectives
39
9
We look at five modern treatments of chromatographic sample extraction, explaining their initial conception and development to shed light on their current roles as analytical tools.