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119812 Ammonium standard solution

119812
Purchase on Sigma-Aldrich

Overview

Replacement Information

Products

Catalogue NumberPackaging Qty/Pack
1.19812.0500 Plastic bottle 500 ml
Description
Catalogue Number119812
References
Product Information
HS Code2827 10 00
Quality LevelMQ100
Applications
Biological Information
Physicochemical Information
Density0.99 g/cm3 (20 °C)
pH value5.4 (H₂O, 20 °C)
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKNWG not water endangering
Disposal28
Aqueous solutions: Container D.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Concentration     β (NH₄⁺)990 - 1010 mg/l
Determination method: Argentometric titration.
The content of this solution was determined with silver nitrate standard solution (article number 1.09081) standardized against volumetric standard sodium chloride (article number 1.02406). The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 999b (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard sodium chloride, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
Global Trade Item Number
Catalogue Number GTIN
1.19812.0500 04022536180762

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Categories

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Analytics and Sample Preparation > Reference Materials > Certipur® in Ion Chromatography
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Analytics and Sample Preparation > Analytical Chromatography > Ion Chromatography > Single-Cation/Anion-Standards