John J. Harland | Authors


Agilent J&W Ultra Inert GC Columns: A New Tool to Battle Challenging Active Analytes

QC test probes serve a vital function in ensuring the reproducibility of modern GC columns. These probes ensure that the columns have been properly deactivated, contain the correct amount of stationary phase, and have the same relative retention as the last column purchased. The choice of individual compounds in these test mixes varies widely and can have profound consequences on the performance of a column in the users' applications.