Reference
Method
Test
Reagent #
Reagent Name
EPA (SW-846)
Ion-Selective Electrode
Cyanide
5.5
Cyanide Calibration Stock Solution (1,000 mg/L CN-)
EPA (SW-846)
Hydrogen Cyanide Released from Wastes
Reactive Cyanide
5.4
Cyanide Reference Solution (1000 mg/L)
EPA
Titrimetric; Spectrophotometric
Cyanide, Total
7.7
Stock Cyanide Solution
EPA
Colorimetric, Automated UV
Cyanide, Total
6.6
Stock Cyanide Solution
ASTM
Automated Methods for Total Cyanide, Dissociable Cyanide, and Thiocyanate
Cyanides
8.6.1
Simple Cyanide Solution, Stock (1.0 g/L CN)
ASTM
Free Cyanide in Water and Wastewater by Microdiffusion
Cyanide
8.6
Cyanide Solution Stock
APHA
Cyanides Amenable to Chlorination without Distillation (Short-Cut Method)
Cyanide
4
Stock Cyanide Solution
APHA
Spot Test for Sample Screening
Cyanide
3b
Stock Cyanide Solution
APHA
Colorimetric Method
Cyanide
3b
Stock Cyanide Solution
APHA
Cyanide-Selective Electrode Method
Cyanide
3a
Stock Standard Cyanide Solution