[Mark63]

Hi, I am currently working on a project to redesign a lab based unit that teaches the fundamentals of gas absorption, CO₂ into water or dilute alkali solution. I am just reaching out to ask, both those that teach and undergraduates, what their thoughts are on what they would require of such a unit so I can look to capture any new key requirements previously missed or fundamental wishes. Many thanks. Mark.

[marquis]

Well, there are a lot of ways to approach it.  One very frustrating way wad with ion chromatography.  We were going the cheap way with an agilent 1080.  Cursed at it Many times because the co2 wasn't totally eliminated from the solvent.  Learned recognize it fast.  One other way you mentioned is weak standardized naoh.  There's usually something to absorb co2 put on it or your normality changes.  When you are doing up titrations, that messes things up fast.  Good luck.