Merck, 59755-100ML, Ammonium Standard for IC

General description
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
Application
It is intended to be used during the calibration of ion chromatography-based analytical techniques.
Features and Benefits
Produced under ISO/IEC 17025 and ISO 17034 accreditation
Traceable to SI unit of mole through internationally accepted institutions such as NIST or BAM
Accompanied by a comprehensive Certificate of Analysis (CoA) (up to four pages) with data on stability, density, homogeneity, the accuracy of concentration, uncertainty, and traceability
Gravimetrically prepared using high-quality qNMR-characterized starting materials and qualified precision balances to ensure minimal uncertainty
Rigorously tested through real-time stability studies to ensure accuracy and shelf life
Available in an HDPE bottle, sealed in an aluminum bag

Analysis Note
1000 mg/L NH⁴⁺ in water, prepared with high purity NH₄Cl and water
Other Notes
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Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany