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1.19533 Supelco

Cyanide standard solution

traceable to SRM from NIST K₂[Zn(CN)₄] in H₂O 1000 mg/l CN Certipur®

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Chromatography, Ion Chromatography Standards,
Quality Level   100
application(s)   ion chromatography: suitable
pH   9-10 (20 °C in H2O)
density   1.00 g/cm3 at 20 °C
storage conditions   Store at +2°C to +8°C.

Description

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.

Safety & Documentation

Safety Information

Protocols & Articles

Articles

Analytical Method: Cyanide in spirits

Cat.No. 114947  Rectangular cells 20 mm and/or Cat.No. 114944  Rectangular cells 50 mm Cat.No. 109701  Spectroquant® Cyanide Test Cat.No. 119533  Cyanide standard solution 1000 mg/l CN- Disposable sy...
Keywords: Digestions

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