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## Main Question or Discussion Point

Hi

I'm working on a project where I have a two flow controller controlling the volumetric flow rate (in the order of 0.01-0.1ml/min) of two different gases. The gases are mixed together and I'm wondering if there's a way to figure out the exiting volumetric flow rate of the combined flow and what kind of information is required? Is just adding the two volumetric flow rate (as if the gases are a liquid) a good approximation?

Thanks

I'm working on a project where I have a two flow controller controlling the volumetric flow rate (in the order of 0.01-0.1ml/min) of two different gases. The gases are mixed together and I'm wondering if there's a way to figure out the exiting volumetric flow rate of the combined flow and what kind of information is required? Is just adding the two volumetric flow rate (as if the gases are a liquid) a good approximation?

Thanks