Improving Canister Sampling Accuracy and Reliability Using Helium Diffusion Sampling into Silonite Coated Stainless Steel Canisters

Improving Canister Sampling Accuracy and Reliability Using Helium Diffusion Sampling into Silonite Coated Stainless Steel Canisters

4700 Precision Diluter

The 6 Channel 4700 Precision Diluter represents the next generation in accurate canister standards preparation. Utilizing a combination of precise gas flow control, exact pressure measurements, and an ultra-inert flow path, the 4700 is capable of performing multistage dilutions for achieving standards ranging from part-per-billion to low part-per-trillion. The 4700 works with canisters and Bottle-VacsTM […]

A New Approach to Whole Air Sampling using Deactivated Glass Bottles

A New Approach to Whole Air Sampling using Deactivated Glass Bottles