Conductivity measurements yield information about the amounts of ionic species, primarily salts, present in an aqueous fluid such as urine, and these measurements are easily done using an inexpensive commercial conductivity meter. Analysis of urine is an essential tool for monitoring liver and kidney function, and is a valuable asset in the diagnosis and evaluation of many disease states, including diabetes and renal failure. However, biological fluids, such as urine, are complex mixtures that contain a large variety of potentially interfering substances, which complicate the analysis of sulfate by many methods. Our laboratory has previously successfully measured sulfate levels in a series of artificial urines prepared containing known concentrations of sodium chloride, potassium sulfate, glucose, and albumin using a conductometric titration technique. This method has now been utilized to measure dietary effects on sulfate levels in the urine of a group of mixed breed domestic pigs.

Dietary effects on urinary sulfate levels in pigs measured by a conductometric method

253rd National Meeting (2017)

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