Polishing Sample Gas with a PD Series Gas Dryer The ability to accurately measure gas components and concentration is essential in many environmental and industrial process applications to optimize production and meet regulatory requirements. One of the most common sampling techniques in Continuous Emission Monitoring (CEMS) applications is cold/dry extractive sampling. An analyzer is only…
How does water impact gas analysis? And how can you solve it? Analyzers play a crucial role in industrial processes. It is no doubt that they improve productivity by enabling efficient process control and providing reliable data. For them to function properly, you need to know how to manage its water content. There is almost…
Setting up a purge gas source for Perma Pure gas sample dryers. What is a purge gas? A purge gas is a dry, clean gas that is directed through the purge gas pathway of Perma Pure dryers, countercurrent to the flow of the sample gas through the Nafion™ tubing. It is important that the purge…
What is TOC Analysis? Total Organic Carbon (TOC) analysis measures the amount of carbon present in organic compounds in a sample of water or liquid. It is a non-specific indicator of purity and quality, often detected as CO2 in fractional ppm to ppb ranges. Total organic carbon analyzers yield results that provide information on the…
Perma Pure’s Nafion™ polymer is often referred the wonder material for its unique ability to transfer moisture from one side of the membrane to the other. This transfer occurs as a first order kinetic reaction making it highly selective. What is Nafion™ Polymer The Nafion™ polymer was invented by Walther Groth in late 1960s. Nafion™…
A review and comparison of common methods to remove moisture from a gas for analysis. Too much moisture in a gas being analyzed can decrease accuracy of the analysis, damage the gas analyzer, or both. To avoid this, a gas dryer is often used to dry the sample gas, before it is sent into the…