Material Brief: Calcium Oxalate Decomposition - Temperature Programmed Desorption with Mass Spectrometer - Autosorb Series

Calcium oxalate decomposition was monitored in a temperature programmed desorption (TPD) experiment on the Autosorb. Data was collected using both the thermal conductivity detector (TCD) and the optional mass spectrometer (MS).

Calcium oxalate is a naturally occurring mineral in plants, including fruits and vegetables. Plants decompose calcium oxalate, which is then oxidized by bacteria or fungi to produce the soil nutrient calcium carbonate. Build-up of calcium oxalate in the human body can lead to kidney stones. Temperature programmed desorption experiments can be used to easily monitor the decomposition of solids as a function of temperature. An Autosorb series instrument (with thermal conductivity detector and mass spectrometer options installed) was used to monitor the decomposition products of calcium oxalate.

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