Sweet success for TOC/TN analyser
The Shimadzu TOCN-4100 on-line total organic carbon (TOC) and total nitrogen (TN) analyser has successfully completed a trial at one of Europe's largest sugar processing plants.
The measurement principle is based upon the well established method of oxidation at 680ºC using a platinum catalyst. Carbon compounds are converted to carbon dioxide and measured using a non-dispersive infra-red detector while nitrogen compounds are converted to nitric oxide and measured by means of a chemiluminescence detector.
It is possible to measure TOC and TN from a single sample injection and the analysis time is approximately 5 minutes. The results may be transmitted via current, voltage or serial link for displaying trends and alarm generation, automatic calibration and remote operation are available in the standard unit.