This Certified Reference Material (CRM) is a high-quality wet chemistry standard, produced and certified following ISO 17034 and ISO/IEC 17025 double accreditation—the highest quality system for reference material producers. All information regarding the use of this CRM can be found on the certificate of analysis.
Application
The Total Kjeldahl Nitrogen (TKN) method is used to determine the sum of organic nitrogen, ammonia (NH3) and ammonium (NH4+) contents in the chemical analysis of soil, water and wastewater.
Features and Benefits
Provided as 100-mL and 500-mL whole-volume samples
Solvent/Matrix: DI Water
Traceable to NIST standard reference materials (SRM′s)
Other Notes
Values of analytes vary lot to lot. Some lots may not contain all analytes.
Storage Class
10 - Combustible liquids
wgk_germany
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
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Learn how water impurities can impact the Kjeldahl nitrogen method. Get recommendations for accurate Kjeldahl analysis and total Kjeldahl nitrogen (TKN) tests. Select the optimal water purification system.
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