Ammonium Standard Solution

Analysis Note
Concentration: 2.00 ± 0.07 mg/L NH4-N in H2O
Application
Ammonium Standard Solution can be used to check the photometric measurement system (reagents, measurement device, handling) and the mode of working.
This Spectroquant®Ammonium Standard Solution is a high-quality laboratory solution used forinternal quality control and method controlling purposes.

These Spectroquant® standard solutionsperfectly complement our ready-to-use test kits and photometers within theSpectroquant® portfolio and are ideal for validatinginternational norm methods described in e.g., ISO, EN, APHA, and EPA.

Please visit the Reference Material Quality Grade websiteto find a comprehensive overview of our different grades of standards.
Features and Benefits
Manufactured and tested in DIN EN ISO 9001:2008 accredited laboratory
The solution is pre-diluted to a concentration that falls into the range of our Spectroquant® test kits. This eliminates the need for dilution prior to analysis and hence avoids a common source of error
Ready-to-use diluted reference materials (RMs) along with expanded measurement uncertainty ensure absolute precision
Accompanied with a certificate of analysis (COA) detailing the certified values, including uncertainty and expiry date
Directly traceable to standard reference materials (SRM) from the National Institute of Standards and Technology (NIST) or to United States Pharmacopeia (USP)
Reliable and reproducible results
Legal Information
SPECTROQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany