This is the first in a series of articles that G&I is publishing on gas fundamentals. Most of our readers utilize gases, but their expertise may lie in other fields. We hope that they will find these articles and fact charts helpful.

Chemical air filtration combined with onsite analytical evaluation of filtered area and the filter solution provides cost reduction through lifetime optimization for semiconductor cleanroom operation

While helium still remains the most popular carrier gas for GC for a number of reasons, many chromatographers are looking at alternative gases but are asking whether the other gases can deliver the required separation.

How simultaneous calorimetry and gas sorption provide a direct measurement of the formation enthalpy in a single one hour sorption cycle versus the many hours, days, weeks or even months that may be required through equilibrium PCT measurements.

The 2009 PITTCON show in Chicago may have been down from 2008, but the vendors were upbeat. Total registration was 19,018, only 2.6% off from last year.