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119811 Nitrate standard solution

119811
Purchase on Sigma-Aldrich

Overview

Products

Catalogue NumberPackaging Qty/Pack
1198110500 Plastic bottle 500 ml
Description
Catalogue Number119811
SynonymsNitrate standard for aqueous matrices ready for use
Product Information
HS Code2834 29 80
Quality LevelMQ100
Physicochemical Information
Density1.00 g/cm3 (20 °C)
pH value6 (H₂O, 20 °C)
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKNWG not water endangering
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Specifications
Concentration     β (NO₃⁻)990 - 1010 mg/l
Determination method:   Alkalimetric titration.
The content of this solution was determined with sodium hydroxid standard solution 0.1 mol/l .The sodium hydroxide standard solution 0.1 mol/l is adjusted by hydrochloric acid standard solution 0.1 mol/L.The hydrochloric acid standard solution is standardized and traceable to volumetric standard tris(hydroxymethyl)aminomethane (article number 1.02408). The expanded measurement uncertainty is ± 1 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 723 (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard tris(hydroxymethyl)aminomethane, 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
1198110500 04022536180755