Gastec Generating calibration gas with a diffusion tube

Generating calibration gas with a diffusion tube A diffusion tube is a glass tube that consists of a liquid containing portion and a diffusing portion with a uniform inner diameter. A pure target liquid is put into the liquid container using a glass syringe. The liquid must have a vapour pressure of 5 to 400 … Continue reading Gastec Generating calibration gas with a diffusion tube