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.
CAMERA POLARIZING FILTERS. Polarizing filters can increase color saturation and decrease reflections â and are one of the only lens filters which cannot be replicated using digital photo editing. They are an indispensable tool that should be in every photographer's camera bag.