Supplier: Merck

1000 mg/L cyanide in water, prepared with high purity K₂[Zn(CN)₄] and water.

Supplier: Merck

Cyanide standard solution, 1000 mg/L, Certipur®, Supelco®, Contents: K₂[Zn(CN)₄] in H₂O

Supplier: Merck

Cyanide (free), Supelco®, Contents: KCN in H₂O, Application: Ion chromatography standards

Supplier: VWR Chemicals

This certified reference material is produced using a high purity starting material, acid from sub-boiling and 18 MOhm deionized water and filtered through a 0.2 micron filter.

Supplier: Thermo Fisher Scientific

Cyanide standard, 1000 mg/l, Specpure®, Contents: KCN in 0.1% NaOH, Application: Environmental standards

Supplier: LGC Standards PROMOCHEM

These solutions are intended for use as a calibration standard for cyanide (CN⁻).