Cyanide as hydrocyanic acid (HCN) is released from cyanide complexes by means of reflux-distillation and absorbed in a scrubber containing a sodium hydroxide solution

·         The cyanide ion in the absorbing solution is then determined colorimetrically or by volumetric titration

·         Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements