It is the amount a business charges above their direct cost. If your contractor has a 1.50 markup (which is reasonable for a remodeling contractor), that means that if the estimated cost for a job is $10,000, they'll multiply the $10,000 x 1.50 and arrive at a $15,000 sales price.ow many people who know little about business and even less about the costs of running a business will say, Oh, look at that crook. He is making $5,000 profit on my job.. Nope, not true.
Partition chromatography is often preferred for the latter, wherein an inert solid (often silica gel) is coated with a liquid phase. Hydrophobic interaction chromatography (HIC) is a special form of surface adsorption chromatography. The materials to be separated should be at least partially hydrophobic in nature.
The basic difference between thin layer chromatography(TLC) and paper chromatography(PC) is that , while the stationary phase in PC is paper, the stationary phase in TLC is a thin layer of an inert substance supported on a flat, unreactive surface.