Column pressure
The pressure exerted by a column of liquid of height h and density ? is given by the hydrostatic pressure equation p = ?gh, where g is the gravitational acceleration. ... The water-based units still depend on the density of water, a measured, rather than defined, quantity.
Seems like solvent A and B are confused
By convention solvent A is the aqueous solvent and solvent B is the organic one, so the designation seems to be right. The baseline does not always raise with the increasing amount of solvent B, it depends how steep is the gradient.
3 Phase star connection with earth or not?
You think it is wise to work on a machine that if connected wrong, can cause dead for the one that touch this machine?
I think you not only need the skills to connect this, you also need certification. At least in my country you must have. I know, I used to be. But not anymore, because I'm officially retired.
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