Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard
SIAL/TKN1000 - certified reference material
Synonym: TKN Calibration Standard
Product Type: Chemical
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| application(s) | environmental |
| CofA | current certificate can be downloaded |
| concentration | in H2O |
| format | matrix material |
| grade | certified reference material |
| manufacturer/tradename | RTC TKN1000-100 |
| Quality Level | 300  |
| storage temp. | 2-8°C |
| 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) |
| 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. |
| Other Notes: | Values of analytes vary lot to lot. Some lots may not contain all analytes. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | 2-8°C |
| UNSPSC | 41116107 |