1.19533
Cyanide standard solution
traceable to SRM from NIST K2[Zn(CN)4] in H2O 1000 mg/l CN Certipur®
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About This Item
Product Name
Cyanide standard solution, traceable to SRM from NIST K2[Zn(CN)4] in H2O 1000 mg/l CN Certipur®
technique(s)
ion chromatography: suitable
pH
9-10 (20 °C in H2O)
density
1.00 g/cm3 at 20 °C
application(s)
environmental
food and beverages
format
single component solution
storage temp.
2-8°C
Quality Level
Analysis Note
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 ± 0.7 % (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.
Other Notes
Legal Information
hcodes
pcodes
Hazard Classifications
Aquatic Chronic 3
supp_hazards
Storage Class
12 - Non Combustible Liquids
wgk
WGK 2
Certificates of Analysis (COA)
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