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Articles by Peter Froehlich

Gas on Demand

by Jack Mahan,Peter Froehlich
In-house generation of TOC-grade gas readily provides the required volume of sufficiently pure gas for superb sensitivity with a TOC analyzer. The gas is available on demand and is present at a lower pressure than the gas from a cylinder, increasing laboratory safety.

Supplying High-Purity Gases

by Peter Froehlich,Kim Myers
Selecting the most effective source for high-purity gases is a critical issue for laboratory managers. In-house generation of gases offers the following advantages: gases are continually provided; it is not necessary to replace tanks on a periodic basis; less energy is required to supply gas, since tank gas or liquid nitrogen requires distillation of air and transportation of tanks to the final point of use.