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
UNSPSC Code:
41116107
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Quality Level
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
Application
- Development of Cyanide Detection Methods: Utilizing high-performance liquid chromatography-tandem mass spectrometry, researchers have developed concurrent determination methods for cyanide and thiocyanate in human and swine blood. This technique ensures high accuracy and sensitivity, crucial for toxicological analysis and forensic investigations (Alluhayb et al., 2023).
- Fluorometric Cyanide Sensing: A novel fluorometric probe offers high selectivity for sensing cyanide in aqueous solutions, which can be applied to quantitative determinations and living cell imaging. This advancement supports biochemical assays requiring precise cyanide measurements, enhancing safety and detection capabilities in both environmental and clinical settings (Satheeshkumar et al., 2023).
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.
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
hcodes
pcodes
Hazard Classifications
Aquatic Chronic 3
supp_hazards
Storage Class
12 - Non Combustible Liquids
wgk_germany
WGK 2
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