TKN1000
Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard
certified reference material
Synonym(s):
TKN Calibration Standard
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About This Item
NACRES:
NA.24
UNSPSC Code:
41116107
grade
certified reference material
Quality Level
CofA
current certificate can be downloaded
manufacturer/tradename
RTC TKN1000-100
concentration
in H2O
application(s)
environmental
format
matrix material
storage temp.
2-8°C
General description
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
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Articles
Water quality can impact the accuracy of the Kjeldahl method. Avoid contaminants and assure results by selecting the optimal water purification solution.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| TKN1000-100ML | 04061837397899 |
| TKN1000-500ML | 04061837397905 |