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.
Application of more powerful whitening gels and other intraoral products can require the use of a cheek and lip retractor. KleerView cheek and lip retractor is incredibly flexible and easy to use. Plus itâs clear, which makes it ideal for clinical photography too. Use for in-office procedures like whitening, bonding, composite restorations, and clinical photography.