Adjustments to the concentration of water and salts within the urine takes place mainly in the distal parts of the tubules and in the collecting tubules, by altering the permeability of the membranes of cells lining the nephron walls. These changes are brought upon to two hormones, ADH and aldosterone.
Use for Colorimetric and Turbidimetric Determinations. These photometric colorimeters use specific light filters to give readings on a unique KlettTM scale. The readings are directly proportional to the concentration or optical density of a solution, in accordance with Beers Law.
The Colorimeter is designed to determine the concentration of a solution by. analyzing its color intensity. Monochromatic light from a LED light source. passes through a cuvette containing a solution sample, as shown in figure 2. Some of the incoming light is absorbed by the solution. As a result, light of a.