ResourceEnvironmental
Determination of TOC/TNb and DOC/DNb in surface water according to DIN EN ISO 20236
20 Jul 2026This application note from Analytik Jena demonstrates the use of the multi N/C® 3300 for determining total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), and dissolved bound nitrogen (DNb) in surface waters according to DIN EN ISO 20236. The study highlights reliable analysis of particle-rich and carbonate-rich water samples using the NPOC plus method, supporting environmental monitoring and water quality assessment.
Resource details:
Resource type: Application note
Page count: 7
Read time: 12 mins
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Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity. Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.TOC MeasurementsNitrogenWater AnalysisAnalytical methods used to test the purity of drinking water include determining the level of contaminants abides to the level set by the Environmental Protection Agency (EPA).