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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A propos de cet article
NACRES:
NA.24
UNSPSC Code:
41116107
Service technique
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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
Analysis Note
Concentration β (CN⁻): 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 ± 0.7 % (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.
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
We now offer a certified reference material alternative for this product that has the same composition and is manufactured under ISO 17034 accreditation.
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
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hcodes
pcodes
Hazard Classifications
Aquatic Chronic 3
supp_hazards
Classe de stockage
12 - Non Combustible Liquids
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