Below we discuss best practices for column qualification, evaluate the effects of tubing length and diameter on HETP and asymmetry, and derive a scaling relationship for tubing dimensions. Our ...

The wide range of chromatographic techniques share one common aim: to separate a material into its components. A material, your sample, is dissolved in a solvent, called the mobile phase. This mixture ...

There is a strong focus on environmental monitoring to reduce these emissions. However, traditional sensor systems are unable to meet the speed and accuracy requirements needed today. To compound the ...

1 School of Chemical Engineering, Guizhou Minzu University, Guiyang, China 2 Technology Center, China Tobacco Yunnan Industrial Co. Ltd., Kunming, China A method for determining citrate content in ...

To purify increasing amounts of biotherapeutics more efficiently, the use of high flow rates or greater resin bed heights during downstream chromatography steps is a tantalizing option. A limitation ...

Bill Stanley is the director of The Nature Conservancy in Ohio. Carol Kauffman is the chief executive officer for the Ohio Environmental Council. John Tetzloff has led the Darby Creek Association for ...

A new type of micro-gas chromatography column was fabricated using direct metal laser sintering (DMLS) to circumvent manufacturing issues faced by other micro-GC systems. Researchers from the Chinese ...