TKN1000

Kjeldahl Nitrogen, Total (TKN) 1000mg/L Calibration Standard

certified reference material

• Sinónimos: TKN Calibration Standard
• UNSPSC Code: 41116107
• NACRES: NA.24

Propiedades

• grade: certified reference material
• 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

Descripción

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.

Información de seguridad

• Storage Class: 10 - Combustible liquids
• wgk_germany: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable